@media screen and (max-width: 576px) {
  #container {
    min-width: 100%;
  }
  .start-content {
    display: flex;
    flex-wrap: wrap;
  }
  .start-content .contentboxleft2spsmall {
    width: 100%;
  }
  .start-content .contentboxright2spbig {
    overflow: hidden;
    width: 100%;
    margin: 0 !important;
  }
  .start-content a {
    width: 100%;
  }
  .start-content .contentboxright2spequal {
    margin: 0;
  }
  .start-content .contentboxright2spequal img {
    width: 100%;
  }
  .start-content .hlur-img {
    margin-bottom: 0;
  }
  .contentboxleft2spsmall {
    min-width: 100%;
    height: auto !important;
    padding: 0px !important;
    border-bottom: 8px solid white;
  }
  .hlul-img {
    position: relative;
    width: 100%;
    height: auto !important;
    margin-bottom: 10px;
  }
  .hlur {
    margin-left: auto;
  }
  .heizkoerper .contentboxright3sp img {
    height: 100% !important;
    width: auto;
  }
  .hlur p {
    font-family: "Raleway", sans-serif;
    font-size: 1.4em;
    font-weight: 200;
  }
  .hlur-img {
    position: relative;
    width: 100%;
    height: auto !important;
    margin-bottom: 10px;
  }
  .hlul-img .hlul {
    position: absolute;
    bottom: 0 !important;
    left: 0;
    height: 80px;
    font-size: 1.4em;
    max-width: 270px;
  }
  .hlul-img p {
    font-size: 1em;
    line-height: 1.1em;
    font-weight: 200;
    margin: 0;
  }
  .contentboxleft2spequal {
    min-width: 100%;
    height: auto !important;
  }
  .regenwassernutzung .contentboxright2spequal {
    margin-left: 0 !important;
    width: 100%;
  }
  .contentboxright2spequal {
    min-width: 100%;
    height: auto !important;
  }
  .hlul-img img {
    width: 100%;
    height: auto;
  }
  #logoarea img {
    max-width: 230px;
  }
  .datenschutz .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .impressum .contentboxleft2spsmall {
    padding: 10px !important;
  }
  .kontakt .contentboxleft2spsmall {
    padding: 10px !important;
  }
  .oel-heizung .contentboxright2spequal {
    margin-left: 0 !important;
  }
  .gasheizung .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .pellet-ofen .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .pellet-ofen .contentboxleft3sp {
    max-height: 100% !important;
  }
  .heizkoerper .contentboxright3sp {
    margin-bottom: 0 !important;
  }
  .zentralstaubsauger .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .zentralstaubsauger .contentboxright2spbig h1 {
    font-size: 1.6em;
  }
  .contentboxright2spbig {
    min-width: 100%;
    margin-bottom: 8px;
    padding: 0px !important;
  }
  .contentboxright2spequal {
    margin-top: 0px !important;
  }
  .baeder .contentboxright2spequal {
    margin-top: 6px;
    margin-left: 0px;
  }
  .baeder .contentboxleft2spequal {
    margin-top: 0px !important;
  }
  .baeder .contentboxright2spequal {
    margin-top: 6px !important;
  }
  .baeder .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .contentboxleft3sp {
    width: 50%;
    margin: 0;
  }

  .contentboxmiddle3sp {
    width: 50%;
    margin: 0;
  }
  .contentboxright3sp {
    width: 100%;
    margin: 30px 0px;
  }
  .solartechnik .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .oel-heizung .contentboxleft2spsmall img {
    width: 100%;
  }
  .oel-heizung .contentboxleft2spsmall {
    border-bottom: none;
  }
  .oel-heizung .contentboxright2spbig div {
    padding: 20px;
  }
  .oel-heizung .contentboxleft2spequal img {
    width: 100%;
  }
  .oel-heizung .contentboxbottom {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
  }
  .gasheizung .contentboxleft2spequal {
    min-width: 100%;
  }
  .gasheizung .contentboxleft2spequal img {
    height: 100%;
    width: auto;
  }
  .gasheizung .contentboxbottom {
    display: flex;
    flex-wrap: wrap;
  }
  .gasheizung .contentboxbottom img {
    width: 100%;
    padding: 5px;
  }
  .gasheizung .contentboxright2spbig {
    padding: 15px !important;
  }
  .gasheizung .contentboxleft2spsmall img {
    width: 100%;
  }
  .gasheizung .contentboxleft2spsmall img:first-child {
    display: block !important;
    height: auto;
    width: 100%;
    position: relative;
    left: 50%;
    transform: translate(-50%);
  }
  .gasheizung .contentboxleft2spsmall img:last-child {
    display: none !important;
  }
  .pellet-ofen .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .pellet-ofen .contentboxleft2spsmall,
  .pellet-ofen .contentboxright2spbig {
    float: none;
    height: auto !important;
    padding: 5px !important;
    background-color: white;
  }
  .pellet-ofen .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    background-color: white;
  }
  .pellet-ofen .contentboxleft3sp {
    width: 40%;
    height: auto;
    overflow: hidden;
    padding: 5px;
  }
  .pellet-ofen .contentboxmiddle3sp {
    width: 60%;
    margin: auto !important;
  }
  .pellet-ofen .contentboxleft3sp img {
    height: auto;
    width: auto;
  }
  .pellet-ofen .contentboxright3sp img {
    width: 100%;
    height: auto;
  }
  .pellet-ofen .contentboxright3sp {
    padding: 5px;
  }
  .waermepumpe .contentboxleft2spsmall img {
    width: 100%;
    padding: 5px;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
  }
  .waermepumpe p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .waermepumpe .contentboxright2spbig {
    padding: 15px !important;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .waermepumpe .wrapper3sp img {
    width: 100%;
    height: auto;
    padding: 5px;
  }
  .waermepumpe .contentboxleft3sp,
  .waermepumpe .contentboxmiddle3sp,
  .waermepumpe .contentboxright3sp {
    width: 100%;
  }
  .kaminofen {
    display: flex;
    flex-wrap: wrap;
  }
  .kaminofen .contentboxleft2spsmall img {
    width: 100%;
    padding: 5px;
  }
  .kaminofen .contentboxright2spbig {
    padding: 15px !important;
  }
  .kaminofen p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    padding: 5px;
    overflow: hidden;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spsmall img {
    position: relative !important;
  }
  .heizkoerper .contentboxleft2spsmall img {
    width: 100%;
  }
  .heizkoerper .contentboxleft2spsmall {
    background-color: white;
    border: 5px solid white;
    display: flex;
    justify-content: flex-end;
  }
  .heizkoerper p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .heizkoerper .contentboxright2spbig {
    padding: 15px !important;
  }
  .heizkoerper .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .heizkoerper .wrapper3sp img {
    width: 100%;
    height: auto;
    padding: 5px;
  }
  .heizkoerper .contentboxleft3sp,
  .heizkoerper .contentboxmiddle3sp,
  .heizkoerper .contentboxright3sp {
    width: 100%;
  }
  .baeder .contentboxleft2spsmall {
    height: auto !important;
    border: 5px solid white;
    background-color: white;
    overflow: hidden;
    width: 100%;
    border-bottom: none;
  }
  .sanitaerhaustechnik-main .contentboxleft2spbig .hlul {
    min-width: auto !important;
  }
  .baeder .contentboxleft2spsmall img {
    width: 100% !important;
    height: auto;
  }
  .baeder .contentboxright2spbig {
    padding: 15px !important;
    background-color: white;
    width: 100%;
  }
  .baeder .contentboxleft2spequal,
  .baeder .contentboxright2spequal {
    padding: 5px;
    background-color: white;
    overflow: hidden;
    width: 100%;
  }
  .baeder .contentboxleft2spequal img,
  .baeder .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .wohnlueftung .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    width: 100%;
    padding: 0 !important;
  }
  .wohnlueftung .contentboxleft2spequal img,
  .wohnlueftung .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .wohnlueftung .contentboxright2spequal {
    margin-left: 0px !important;
    margin-top: 6px !important;
  }
  .wohnlueftung .secondcontent {
    margin-top: 0 !important;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: 100%;
  }
  .wohnlueftung .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .wohnlueftung .contentboxright2spbig {
    padding: 15px !important;
    background-color: white;
    width: 100%;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    overflow: hidden;
    border: 5px solid white;
  }
  .wohnlueftung .secondcontent {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft2spsmall {
    min-width: 100%;
    float: none;
  }
  .zentralstaubsauger .contentboxleft2spsmall img {
    width: 100%;
    border: 5px solid white;
    border-bottom: 0;
  }
  .zentralstaubsauger .contentboxright2spbig {
    padding: 15px !important;
    min-width: 100%;
    float: none;
  }
  .zentralstaubsauger .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft3sp,
  .zentralstaubsauger .contentboxmiddle3sp {
    width: 50%;
    border: 5px solid white;
  }
  .zentralstaubsauger .contentboxright3sp {
    width: 100%;
    border: 5px solid white;
  }
  .zentralstaubsauger .contentboxleft3sp img,
  .zentralstaubsauger .contentboxmiddle3sp img,
  .zentralstaubsauger .contentboxright3sp img {
    width: 100%;
  }
  .regenwassernutzung {
    display: flex;
    flex-wrap: wrap;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
    overflow: hidden;
  }
  .regenwassernutzung .contentboxright2spequal img {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
  }
  .solartechnik {
    display: flex;
    flex-wrap: wrap;
  }
  .solartechnik .contentboxleft2spsmall img {
    width: 100% !important;
    height: auto;
  }
  .solartechnik .contentboxright2spbig {
    padding: 15px !important;
  }
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal,
  .solartechnik .contentboxleft2spsmall {
    overflow: hidden;

    background-color: white;
  }
  .solartechnik .contentboxright2spequal {
    margin-left: 0 !important;
  }
  .solartechnik .contentboxleft2spequal img,
  .solartechnik .contentboxright2spequal img,
  .solartechnik .contentboxleft2spsmall img {
    min-width: 100% !important;
    transform: translate(0) !important;
  }
  .oel-heizung .contentboxleft2spequal {
    overflow: hidden;
    border: 5px solid white;
    margin-bottom: 6px;
  }
  .solartechnik .contentboxleft2spequal {
    margin-top: 0 !important;
  }
  .heizungen-main .contentbox-top-headline {
    flex-wrap: wrap;
    max-width: 100%;
  }
  .heizungen-main .contentboxleft2spsmall1 {
    height: 170px;
    position: relative;
    height: auto;
  }
  .heizungen-main .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
    justify-content: flex-start;
    margin-top: 12px !important;
  }
  .heizungen-main .wrapper3sp a {
    width: calc(50% - 4px);
  }
  .heizungen-main .contentboxleft2spsmall2 {
    height: 170px;
  }
  .heizungen-main .contentboxleft3sp,
  .heizungen-main .contentboxmiddle3sp,
  .heizungen-main .contentboxright3sp {
    max-height: 170px;
    width: 100%;
  }
  .heizungen-main .contentbox-top-left {
    order: 2;
    flex-wrap: nowrap;
    display: flex;
    max-height: 165px;
    width: 100%;
    max-width: 100%;
    gap: 8px;
  }
  .heizungen-main .contentbox-top-left a {
    width: 100%;
    display: block;
  }
  .heizungen-main .contentboxright2spbig {
    order: 1;
    margin: 0;
    height: auto;
  }
  .sanitaerhaustechnik-main .contentbox-top-left,
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: 100%;
  }
  .sanitaerhaustechnik-main .hlul {
    width: auto !important;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall a {
    overflow: hidden;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img:hover {
    transform: scale(1.1);
    transition: 2s ease-in-out;
  }
  header > img {
    left: -80px;
  }
}

@media screen and (max-width: 767px) {
  .sanitaerhaustechnik-main .contentbox-top-left,
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: 100%;
  }
  .sanitaerhaustechnik-main .hlul {
    width: auto !important;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img:hover {
    transform: scale(1.1);
    transition: 2s ease-in-out;
  }
  .start-content {
    display: flex;
    flex-wrap: wrap;
  }
  .start-content .contentboxleft2spsmall {
    max-width: 100%;
    width: 100%;
    height: auto;
  }
  .start-content a {
    width: 100%;
  }
  .start-content .hlur-img img {
    width: 100%;
  }
  .start-content .contentboxright2spbig {
    width: 100%;
    overflow: hidden;
    float: none;
    margin-left: 0;
    max-width: 100%;
  }
  .start-content .contentboxright2spbig .hlur {
    left: 0;
    right: auto;
  }
  .start-content .contentboxleft2spequal {
    max-width: 100%;
  }
  .start-content a:nth-child(2) {
    overflow: hidden;
  }
  .start-content .contentboxleft2spsmall img {
    width: 100%;
  }
  .start-content .contentboxleft2spsmall .hlul-img {
    position: relative;
  }
  .start-content .contentboxleft2spsmall .hlul {
    width: 300px !important;
    position: absolute;
    right: 0 !important;
    left: auto;
  }
  .start-content .contentboxright2spequal {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }
  .start-content .sanitaer-container .contentboxleft2spequal {
    min-width: 100%;
  }
  .start-content .sanitaer-container .contentboxleft2spequal img {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxleft2spbig .hlul {
    min-width: auto !important;
  }
  .sanitaerhaustechnik-main .contentbox-top-left a {
    width: 100%;
  }
  .regenwassernutzung .contentboxright2spequal {
    margin-left: 0 !important;
    width: 100%;
  }
  .smallthin {
    padding-right: 2px;
  }
  .contentboxright2spbig {
    max-width: calc(60% - 6px);
  }
  .contentboxleft2spsmall {
    max-width: 40%;
  }
  .hlul-img {
    overflow: hidden;
  }
  .hlul {
    width: 100% !important;
  }
  .hlul p {
    font-size: 0.9em;
  }
  .hlur p {
    font-size: 0.9em;
  }
  .contentboxleft2spequal {
    max-width: 50%;
    margin: 6px 0px 0px 0px;
  }
  .solartechnik .contentboxleft2spequal {
    border: 5px solid white;
    width: 50%;
  }
  .solartechnik .contentboxright2spequal {
    padding: 0 !important;
    border: 5px solid white;
    overflow: hidden;
    margin-left: 6px Im !important;
  }
  .solartechnik .contentboxright2spequal img {
    height: 100%;
    object-fit: cover;
  }
  .solartechnik .contentboxleft2spequal img {
    height: 100%;
    object-fit: cover;
  }
  .contentboxright2spequal {
    max-width: calc(50% - 6px);
    margin: 6px 0px 0px 6px;
    padding: 15px;
  }
  .lauftext {
    font-size: 0.9em;
  }
  .hlur,
  .hlul {
    font-size: 1.2em;
  }
  .lauftext {
    margin-top: 10px;
  }
  .oel-heizung .contentboxleft2spsmall img {
    width: 100%;
  }
  .oel-heizung .contentboxleft2spsmall {
    border-bottom: none;
    min-width: 100%;
    height: auto;
    border: 5px solid white;
    margin-bottom: 6px;
  }
  .oel-heizung .contentboxright2spbig div {
    padding: 20px;
  }
  .oel-heizung .contentboxright2spbig {
    min-width: 100%;
  }
  .oel-heizung .contentboxleft2spequal {
    overflow: hidden;
    border: 5px solid white;
  }
  .contentboxright2spequal,
  .contentboxleft2spequal {
    float: none;
  }

  .solartechnik .contentboxright2spequal {
    margin-top: 6px !important;
  }
  .contentboxbottom {
    display: flex;
  }
  .gasheizung .contentboxleft2spsmall img {
    width: 100%;
  }
  .gasheizung .contentboxleft2spsmall {
    width: 40%;
    height: auto;
  }
  .gasheizung .contentboxleft2spequal,
  .gasheizung .contentboxright2spequal {
    min-width: 100%;
    height: auto !important;
  }
  .gasheizung .contentboxleft2spequal img,
  .gasheizung .contentboxright2spequal img {
    min-width: 100%;
    height: auto;
    padding: 5px;
  }
  .gasheizung .contentboxleft2spsmall,
  .gasheizung .contentboxright2spbig {
    float: none;
  }
  .gasheizung .contentbox-top {
    display: flex;
    flex-wrap: wrap;
  }
  .gasheizung .contentboxright2spbig {
    padding: 15px !important;
    width: calc(60% - 6px);
    min-height: 100%;
    margin-left: 6px;
    margin-bottom: 0;
  }
  .gasheizung .contentboxleft2spsmall img:first-child {
    display: none;
  }
  .gasheizung .contentboxleft2spsmall img:last-child {
    display: block;
    height: 100%;
    width: auto;
    position: relative;
    left: 50%;
    transform: translate(-50%);
  }
  .gasheizung .contentboxleft2spsmall {
    overflow: hidden;
    border: 5px solid white;
  }
  .pellet-ofen .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .pellet-ofen .contentboxleft2spsmall,
  .pellet-ofen .contentboxright2spbig {
    float: none;
    height: auto !important;
    padding: 5px !important;
    background-color: white;
    min-width: 100%;
  }
  .pellet-ofen .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    background-color: white;
  }
  .pellet-ofen .contentboxleft3sp {
    max-height: 200px;
    overflow: hidden;
    padding: 5px;
    justify-content: center;
    align-items: center;
    display: flex;
    width: 30%;
  }
  .pellet-ofen .contentboxmiddle3sp {
    width: 70%;
    margin: auto !important;
  }
  .pellet-ofen .contentboxleft3sp img {
    height: auto;
    width: auto;
  }
  .pellet-ofen .contentboxright3sp img {
    width: 100%;
    height: auto;
  }
  .pellet-ofen .contentboxright3sp {
    padding: 5px;
    width: 100%;
  }
  .pellet-ofen .contentboxleft3sp img {
    object-fit: cover;
    display: block;
    width: 100% !important;
    height: 100% !important;
  }
  .waermepumpe {
    display: flex;
    flex-wrap: wrap;
  }
  .waermepumpe .contentboxright2spbig {
    padding: 15px !important;
    width: calc(60% - 6px);
    margin: 0;
  }
  .waermepumpe .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .waermepumpe .contentboxleft2spsmall img {
    height: 100%;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
    height: auto;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .waermepumpe .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .waermepumpe .contentboxleft3sp {
    width: 100%;
    height: auto;
    margin-bottom: 6px;
  }
  .kaminofen .contentboxright2spequal {
    margin-left: 0;
  }
  .kaminofen .second-content {
    margin-top: 6px !important;
  }
  .waermepumpe .contentboxleft3sp img {
    width: 100%;
  }
  .waermepumpe .contentboxright3sp {
    width: calc(50% - 3px);
    overflow: hidden;
    min-width: auto !important;
    margin: 0;
    margin-left: 6px;
  }
  .waermepumpe .contentboxmiddle3sp {
    width: calc(50% - 3px);
    margin: 0;
    overflow: hidden;
  }
  .waermepumpe .contentboxright3sp img,
  .waermepumpe .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .kaminofen {
    display: flex;
    flex-wrap: wrap;
  }
  .kaminofen .contentboxright2spbig,
  .kaminofen .contentboxleft2spsmall {
    height: auto !important;
    background-color: white;
  }
  .kaminofen .contentboxright2spbig {
    width: calc(60% - 6px);
  }
  .kaminofen .contentboxleft2spsmall {
    position: relative;
    border: 5px solid white;
    overflow: hidden;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
    transform: translate(-50%);
    position: absolute;
    left: 50%;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
  }
  .kaminofen .contentboxright2spbig {
    padding: 15px !important;
    margin-bottom: 0;
    margin-left: 0;
  }
  .kaminofen p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    padding: 5px;
    overflow: hidden;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    min-width: 100%;
  }
  .kaminofen .contentboxright2spequal {
    margin-top: 6px !important;
  }
  .kaminofen .second-content {
    width: 100%;
  }
  .heizkoerper {
    display: flex;
    flex-wrap: wrap;
  }
  .heizkoerper .contentboxright2spbig {
    padding: 15px !important;
  }
  .heizkoerper .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .heizkoerper .contentboxleft2spsmall img {
    height: 100%;
  }
  .heizkoerper .contentboxleft2spsmall {
    background-color: white;
    height: auto;
    border: 5px solid white;
    display: flex;
    justify-content: flex-end;
    overflow: hidden;
  }
  .heizkoerper .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .heizkoerper .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .heizkoerper .contentboxleft3sp {
    width: 100%;
    height: auto;
    margin-bottom: 6px;
  }
  .heizkoerper .contentboxleft3sp img {
    width: 100%;
  }
  .heizkoerper .contentboxright3sp {
    width: calc(50% - 3px);
    overflow: hidden;
    margin-left: 6px;
    max-height: 190px;
    min-width: auto;
  }
  .heizkoerper .contentboxmiddle3sp img,
  .heizkoerper .contentboxright3sp img {
    object-fit: cover;
  }
  .heizkoerper .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .heizkoerper .contentboxmiddle3sp {
    width: calc(50% - 3px);
    margin: 0;
    overflow: hidden;
    max-height: 190px !important;
  }
  .heizkoerper .contentboxright3sp img,
  .heizkoerper .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .baeder .contentboxleft2spsmall {
    height: auto !important;
    padding: 5px !important;
    background-color: white;
    overflow: hidden;
    width: 100%;
    border-bottom: none;
  }
  .baeder .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .baeder .contentboxright2spbig {
    padding: 15px !important;
    background-color: white;
    width: 100%;
  }
  .baeder .contentboxleft2spequal,
  .baeder .contentboxright2spequal {
    padding: 5px;
    background-color: white;
    overflow: hidden;
    width: 100%;
  }
  .baeder .contentboxleft2spequal img,
  .baeder .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .baeder .contentboxleft2spsmall {
    display: flex;
    justify-content: flex-end;
    border: 5px solid white;
    padding: 0 !important;
  }
  .baeder .contentboxleft2spsmall img {
    width: auto;
    height: 100%;
  }
  .baeder .contentboxleft2spsmall img {
    width: auto;
  }
  .wohnlueftung .contentboxleft2spsmall img {
    width: auto;
    height: auto;
  }
  .wohnlueftung .contentboxright2spbig {
    padding: 15px !important;
    background-color: white;
    width: 100%;
  }
  .wohnlueftung .contentboxleft2spequal img,
  .wohnlueftung .contentboxright2spequal img {
    width: 100%;
    align-content: center;
    transform: translate(0);
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    overflow: hidden;
    border: 5px solid white;
  }
  .wohnlueftung .contentboxleft2spsmall {
    height: auto !important;
    float: none;
    min-width: 100%;
    display: flex;
    justify-content: center;
    border: 5px solid white;
  }
  .wohnlueftung .contentboxright2spbig {
    margin-left: 0 !important;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    width: 100%;
    padding: 0 !important;
  }
  .wohnlueftung .contentboxright2spequal img {
    height: 100%;
    max-width: 100%;
  }
  .wohnlueftung .secondcontent {
    margin-top: 6px !important;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: 100%;
  }
  .wohnlueftung .contentboxleft2spsmall img:first-child {
    display: none;
  }
  .wohnlueftung .secondcontent {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft2spsmall {
    min-width: 100%;
    float: none;
  }
  .zentralstaubsauger .contentboxleft2spsmall img {
    width: 100%;
    border: 5px solid white;
    border-bottom: 0;
  }
  .zentralstaubsauger .contentboxright2spbig {
    padding: 15px !important;
    min-width: 100%;
    float: none;
  }
  .zentralstaubsauger .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft3sp,
  .zentralstaubsauger .contentboxmiddle3sp,
  .zentralstaubsauger .contentboxright3sp {
    width: 33%;
    border: 5px solid white;
    min-width: auto;
    margin: 0;
  }
  .zentralstaubsauger .contentboxleft3sp img,
  .zentralstaubsauger .contentboxmiddle3sp img,
  .zentralstaubsauger .contentboxright3sp img {
    width: 100%;
  }

  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
  }
  .regenwassernutzung img {
    width: 100%;
    margin-bottom: 20px;
  }
  .solartechnik {
    display: flex;
    flex-wrap: wrap;
  }
  .solartechnik .contentboxleft2spsmall img {
    width: auto !important;
    height: 100%;
    transform: translate(-50px, 0px);
  }
  .solartechnik .contentboxright2spbig {
    padding: 15px !important;
  }
  .solartechnik .contentboxleft2spsmall {
    border: 5px solid white;
  }
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal,
  .solartechnik .contentboxleft2spsmall {
    overflow: hidden;
    background-color: white;
    height: auto;
  }
  .solartechnik .contentboxleft2spequal img,
  .solartechnik .contentboxright2spequal img,
  .solartechnik .contentboxleft2spsmall img {
    width: 100%;
  }
  .datenschutz .fixed,
  .datenschutz #meineBox {
    display: none;
  }
  .datenschutz .contentboxright2spbig {
    max-width: 100% !important;
    width: 100% !important;
    min-width: 100% !important;
  }
  .start-content .contentboxleft2spequal {
    width: 100%;
  }
  .start-content .contentboxleft2spequal img {
    width: 100%;
  }
  .start-content .contentboxright2spbig .hlur-img {
    width: 100%;
  }
  .heizungen-main .contentbox-top-headline {
    flex-wrap: wrap;
    max-width: 100%;
  }
  .heizungen-main .contentboxleft2spsmall1 {
    height: 170px;
    position: relative;
  }
  .heizungen-main .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
    justify-content: flex-start;
    margin-top: 12px !important;
  }
  .heizungen-main .wrapper3sp a {
    width: calc(50% - 4px);
  }
  .heizungen-main .contentboxleft2spsmall2 {
    height: 170px;
  }
  .heizungen-main .contentboxleft3sp,
  .heizungen-main .contentboxmiddle3sp,
  .heizungen-main .contentboxright3sp {
    max-height: 170px;
    width: 100%;
  }
  .heizungen-main .contentbox-top-left {
    order: 2;
    flex-wrap: nowrap;
    display: flex;
    max-height: 165px;
    width: 100%;
    max-width: 100%;
    gap: 8px;
  }
  .heizungen-main .contentbox-top-left a {
    width: 100%;
    display: block;
  }
  .heizungen-main .contentboxright2spbig {
    order: 1;
    margin: 0;
    height: auto;
  }
}

@media (max-width: 992px) {
  .grid-sizer,
  .grid-item {
    width: calc(33.333% - 11.25px);
  }
}
@media (min-width: 993px) {
  .grid-sizer,
  .grid-item {
    width: calc(25% - 11.25px); /* 3 Spalten */
  }
}

@media (max-width: 768px) {
  .grid-sizer,
  .grid-item {
    width: calc(50% - 11.25px); /* 2 Spalten auf Tablet */
  }
}

@media (max-width: 576px) {
  .grid-sizer,
  .grid-item {
    width: 100%; /* 1 Spalte auf Handy */
  }
}

@media screen and (min-width: 768px) {
  .sanitaerhaustechnik-main a {
    padding: 0 !important;
  }
  .sanitaerhaustechnik-main .contentboxleft2spbig {
    max-height: 220px;
  }
  .sanitaerhaustechnik-main .contentbox-top-left,
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: 100%;
  }
  .sanitaerhaustechnik-main .hlul {
    width: auto !important;
  }
  .sanitaerhaustechnik-main .contentbox-top-left a {
    width: 100%;
    display: block;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall a {
    overflow: hidden;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall img:hover {
    transform: scale(1.1);
    transition: 2s ease-in-out;
  }
  .heizungen-main .contentboxleft2spsmall1 {
    height: 100%;
  }
  .heizungen-main .contentboxright2spbig {
    width: 100%;
    max-width: 100%;
  }
  .start-content {
    display: flex;
    flex-wrap: wrap;
  }
  .start-content .contentboxleft2spsmall {
    height: auto;
    width: 100%;
    float: none;
    height: 100%;
    background-color: white;
  }
  .start-content a:first-child {
    width: 40%;
    overflow: hidden;
    max-width: 330px;
    margin-right: 8px;
  }
  .start-content .contentboxleft2spequal {
    margin: 0;
  }
  .start-content .contentboxleft2spequal img {
    position: relative;
  }
  .start-content a:nth-child(2) {
    width: calc(60% - 8px);
    flex: 1;
  }
  .start-content a:nth-child(3) {
    width: 100%;
  }
  .start-content .contentboxright2spequal {
    margin-left: 0;
  }
  .start-content .contentboxleft2spsmall .hlul p {
    font-size: 0.8em !important;
  }
  .start-content .contentboxright2spbig {
    float: none;
    padding: 0px;
    border: 5px solid white;
    width: 100%;
  }
  .datenschutz .fixed,
  .datenschutz #meineBox {
    display: none;
  }

  .zentralstaubsauger .textcontent {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft2spsmall {
    width: 40%;
    max-width: 330px;
    float: none;
    height: auto;
    border: 5px solid white;
  }

  .zentralstaubsauger .contentboxleft2spsmall img {
    height: 100%;
    border-bottom: 0;
  }
  .zentralstaubsauger .contentboxright2spbig {
    padding: 25px !important;
    width: calc(60% - 6px);
    margin-left: 6px;
    height: auto;
    float: none;
    background-color: white;
    flex: 1;
  }
  .zentralstaubsauger .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
  }
  .zentralstaubsauger .contentboxleft3sp,
  .zentralstaubsauger .contentboxmiddle3sp,
  .zentralstaubsauger .contentboxright3sp {
    width: 33%;
    border: 5px solid white;
    min-width: auto;
    margin: 0;
  }
  .zentralstaubsauger .contentboxleft3sp img,
  .zentralstaubsauger .contentboxmiddle3sp img,
  .zentralstaubsauger .contentboxright3sp img {
    width: 100%;
  }
  .hlul {
    bottom: 0 !important;
    width: 100% !important;
  }
  .hlul-img {
    position: relative;
  }
  .hlul p {
    margin: 0;
  }
  .contentboxleft2spsmall {
    width: 40%;
    overflow: hidden;
    border: 5px solid white;
  }
  .hlul p {
    margin: 0;
    font-size: 0.8em;
  }
  .contentboxright2spbig {
    width: 60%;
    margin: 0;
    padding-left: 8px;
    background: none;
  }
  .hlur-img {
    overflow: hidden;
  }
  .hlur-img img {
    transform: translateX(-50px);
  }
  .hlur {
    width: calc(100% - 8px);
    font-family: "Raleway", sans-serif;
    font-size: 1.4em;
    font-weight: 200;
  }
  .hlur p {
    margin: 0;
    font-size: 1em;
  }
  .contentboxleft2spequal img {
    transform: translate(0px, -30px);
    width: 100%;
  }
  .contentboxleft2spequal {
    width: 100%;
    overflow: hidden;
    border: 5px solid white;
    float: none;
    max-height: 100% !important;
  }
  .contentboxleft2spequal img {
    transform: translate(0);
  }
  .contentboxright2spequal {
    width: 100%;
    padding: 25px;
    max-height: 100%;
    float: none;
  }
  .oel-heizung .contentboxleft2spsmall,
  .oel-heizung .contentboxright2spbig {
    float: none;
    height: auto;
  }
  .contentbox-top {
    display: flex;
  }
  .oel-heizung .contentboxleft2spsmall img {
    height: 100%;
  }
  .oel-heizung .contentboxright2spbig {
    background-color: white;
    padding: 25px;
    margin-left: 6px;
  }
  .gasheizung .contentbox-top {
    display: flex;
    flex-wrap: wrap;
  }
  .gasheizung .contentboxright2spbig {
    height: auto;
    padding: 25px;
    background-color: white;
    width: calc(60% - 6px);
    margin-left: 6px;
  }
  .gasheizung .contentboxleft2spsmall {
    width: 40%;
    height: auto;
  }
  .gasheizung .contentboxleft2spsmall img {
    height: 100%;
    position: absolute;
    right: 50%;
    transform: translate(50%);
  }
  .gasheizung .contentboxright2spequal,
  .gasheizung .contentboxleft2spequal {
    float: none;
    height: auto;
    margin: 0;
    overflow: hidden;
    padding: 0;
    border: 5px solid white;
  }
  .gasheizung .contentboxright2spequal {
    margin-left: 6px;
  }
  .gasheizung .contentboxright2spequal img,
  .gasheizung .contentboxleft2spequal img {
    width: 100%;
    min-height: 100%;
    height: auto;
    transform: translate(0);
  }
  .gasheizung .contentboxleft2spsmall img:first-child {
    display: none;
  }
  .gasheizung .contentboxleft2spsmall img:last-child {
    display: block;
    height: auto;
  }

  .gasheizung .contentboxleft2spsmall {
    overflow: hidden;
    display: flex;
    align-items: center;
  }
  .pellet-ofen .contentboxleft2spsmall {
    height: auto;
  }
  .pellet-ofen .contentboxleft2spsmall img {
    height: 100%;
  }
  .pellet-ofen {
    display: flex;
    flex-wrap: wrap;
  }
  .pellet-ofen .contentboxleft3sp {
    height: auto;
    min-width: 100px;
  }
  .pellet-ofen .contentboxright2spbig {
    background-color: white;
    padding: 25px;
  }
  .pellet-ofen .contentboxleft3sp img {
    object-fit: cover;
    display: block;
    height: 100%;
    max-width: 100px;
  }
  .pellet-ofen .contentboxright3sp img {
    max-width: 200px;
  }
  .pellet-ofen .contentboxright3sp {
    display: flex;
    justify-content: flex-end;
    max-width: fit-content;
    height: 100%;
    width: 100%;
  }
  .pellet-ofen .contentboxmiddle3sp {
    align-content: center;
    padding: 25px;
  }
  .pellet-ofen .contentboxleft2spsmall {
    margin-right: 5px;
  }
  .pellet-ofen .contentboxright2spbig {
    flex: 1;
  }
  .waermepumpe {
    display: flex;
    flex-wrap: wrap;
  }
  .waermepumpe .contentboxright2spbig {
    padding: 15px !important;
  }
  .waermepumpe .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .waermepumpe .contentboxleft2spsmall img {
    height: 100%;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
    height: auto;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .waermepumpe .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .waermepumpe .contentboxleft3sp {
    width: 100%;
    height: auto;
  }
  .waermepumpe .contentboxleft3sp img {
    width: 100%;
  }
  .waermepumpe .contentboxright3sp {
    overflow: hidden;
    margin-left: 6px;
  }
  .waermepumpe .contentboxmiddle3sp {
    margin: 0;
    overflow: hidden;
    margin-left: 6px;
  }
  .waermepumpe .contentboxright3sp img,
  .waermepumpe .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .waermepumpe .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .waermepumpe .contentboxleft3sp,
  .waermepumpe .contentboxmiddle3sp,
  .waermepumpe .contentboxright3sp {
    width: calc(33.3% - 4px);
    min-width: auto;
  }
  .waermepumpe .contentboxleft2spsmall {
    max-width: 330px;
  }
  .waermepumpe .contentboxleft2spsmall {
    flex: 1;
  }
  .kaminofen {
    display: flex;
    flex-wrap: wrap;
  }
  .kaminofen .contentboxright2spbig,
  .kaminofen .contentboxleft2spsmall {
    height: auto !important;
    padding: 5px;
    background-color: white;
  }
  .kaminofen .contentboxright2spbig {
    width: calc(60% - 6px);
    margin-left: 6px;
  }
  .kaminofen .contentboxleft2spsmall {
    position: relative;
    border: 5px solid white;
    overflow: hidden;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
    padding: 5px;
    transform: translate(-50%);
    position: absolute;
    left: 50%;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
    padding: 5px;
  }
  .kaminofen .contentboxright2spbig {
    padding: 15px !important;
    flex: 1;
  }
  .kaminofen p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    overflow: hidden;
    padding: 0;
    border: 5px solid white;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    width: calc(50% - 3px);
    margin-bottom: 0;
  }
  .kaminofen .second-content {
    display: flex;
    flex-wrap: wrap;
  }
  .kaminofen .contentboxleft2spequal img {
    transform: translate(0);
    min-height: 100%;
  }
  .kaminofen .contentboxleft2spsmall,
  .kaminofen .contentboxleft2spsmall img {
    padding: 0;
  }
  .heizkoerper {
    display: flex;
    flex-wrap: wrap;
  }
  .heizkoerper .contentboxright2spbig {
    padding: 25px !important;
  }
  .heizkoerper .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .heizkoerper .contentboxleft2spsmall img {
    height: 100%;
  }
  .heizkoerper .contentboxleft2spsmall {
    background-color: white;
    height: auto;
    border: 5px solid white;
    display: flex;
    justify-content: flex-end;
  }
  .heizkoerper .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .heizkoerper .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .heizkoerper .contentboxleft3sp {
    width: 100%;
    height: auto;
  }
  .heizkoerper .contentboxleft3sp img {
    width: 100%;
  }
  .heizkoerper .contentboxright3sp {
    width: 50% !important;
    overflow: hidden;
  }
  .heizkoerper .contentboxmiddle3sp {
    width: 50% !important;
    margin: 0;
    overflow: hidden;
  }
  .heizkoerper .contentboxright3sp img,
  .heizkoerper .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .heizkoerper .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .heizkoerper .contentboxmiddle3sp {
    margin-left: 6px;
  }
  .heizkoerper .contentboxright3sp {
    margin-left: 6px;
  }
  .heizkoerper .contentboxleft3sp,
  .heizkoerper .contentboxmiddle3sp,
  .heizkoerper .contentboxright3sp {
    width: calc(33.3% - 4px) !important;
    min-width: auto;
  }
  .heizkoerper .contentboxleft2spsmall {
    max-width: 330px;
  }
  .heizkoerper .contentboxleft2spsmall {
    flex: 1;
  }
  .baeder .contentboxleft2spsmall {
    height: auto !important;
    border: 5px solid white;
    background-color: white;
    overflow: hidden;
    border-bottom: none;
  }
  .baeder .contentboxleft2spsmall img {
    width: auto;
    height: 100%;
  }
  .baeder .contentboxright2spbig {
    padding: 25px !important;
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .baeder .contentboxleft2spequal {
    padding: 0 !important;
  }
  .baeder .contentboxleft2spequal,
  .baeder .contentboxright2spequal {
    padding: 5px;
    background-color: white;
    overflow: hidden;
    width: 100%;
  }
  .baeder .contentboxleft2spequal img,
  .baeder .contentboxright2spequal img {
    width: 100%;
    height: auto;
    transform: translate(0);
  }
  .baeder .contentboxleft2spsmall {
    display: flex;
    justify-content: flex-end;
    border: 5px solid white;
    padding: 0 !important;
  }
  .baeder .contentboxleft2spsmall img {
    width: auto;
    height: 100%;
  }
  .baeder .contentboxleft2spequal,
  .baeder .contentboxright2spequal {
    width: calc(50% - 3px);
    margin-bottom: 0;
  }
  .wohnlueftung .contentboxleft2spsmall img {
    width: auto;
    height: auto;
  }
  .wohnlueftung .contentboxright2spbig {
    padding: 25px !important;
    background-color: white;
    width: 100%;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    overflow: hidden;
    border: 5px solid white;
  }
  .wohnlueftung .contentboxleft2spsmall {
    height: auto !important;
    float: none;
    min-width: 100%;
    display: flex;
    justify-content: center;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: 100%;
  }
  .wohnlueftung .contentboxleft2spsmall img:first-child {
    display: none;
  }
  .wohnlueftung .secondcontent {
    display: flex;
  }
  .wohnlueftung .contentboxleft2spequal {
    width: 50%;
  }
  .wohnlueftung .contentboxright2spequal {
    width: calc(50% - 6px);
    margin-left: 6px !important;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    width: 50%;
    margin: 0;
    padding: 0;
    border: 5px solid white;
    overflow: hidden;
  }
  .wohnlueftung .contentboxleft2spequal img,
  .wohnlueftung .contentboxright2spequal img {
    max-width: 100%;
    align-content: center;
    transform: translate(0);
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
  }
  .regenwassernutzung img {
    max-width: 305px;
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
  }
  .solartechnik {
    display: flex;
    flex-wrap: wrap;
  }
  .solartechnik .contentboxleft2spsmall img {
    width: auto !important;
    height: 100%;
    transform: translate(-50px, 0px);
  }
  .solartechnik .contentboxright2spbig {
    padding: 25px !important;
  }
  .solartechnik .contentboxleft2spsmall {
    border: 5px solid white;
    overflow: hidden;
    padding: 0 !important;
    max-width: 330px;
    height: auto;
    background-color: white;
  }
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal {
    overflow: hidden;
    padding: 5px !important;
    background-color: white;
    height: auto;
  }
  .solartechnik .contentboxleft2spequal {
    width: 50% !important;
    max-height: 320px;
    border: 5px solid white;
    overflow: hidden;
    padding: 0 !important;
  }
  .solartechnik .contentboxright2spequal {
    width: calc(50% - 6px);
    margin-left: 6px;
    padding: 0 !important;
    border: 5px solid white;
  }
  .solartechnik .contentboxright2spbig {
    background-color: white;
    margin-left: 6px;
    width: calc(50% - 6px);
    flex-grow: 1;
  }
  .solartechnik .contentboxleft2spequal img,
  .solartechnik .contentboxright2spequal img,
  .solartechnik .contentboxleft2spsmall img {
    height: 100%;
    width: auto;
    transform: translate(0) !important;
    padding: 0 !important;
  }
  .datenschutz #meineBox {
    display: none;
  }

  .datenschutz .contentboxright2spbig {
    width: 100%;
  }
  .heizungen-main .contentbox-top-headline {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .heizungen-main .contentbox-top-left {
    width: calc(33.3% - 4px) !important;
  }
  .heizungen-main .contentboxright2spbig {
    width: 66.6% !important;
  }
  .heizungen-main .contentbox-top-left a:hover {
    border: 2px solid white;
  }
  .heizungen-main .contentbox-top-left a {
    display: block;
    height: 219px;
    position: relative;
    overflow: hidden;
  }
  .heizungen-main .contentboxleft2spsmall2 {
    height: 100%;
  }
  .heizungen-main .contentboxright3sp {
    min-width: auto;
  }
  .heizungen-main .contentbox-top-left a {
    height: calc(50% - 4px);
    max-height: 260px;
  }
  .heizungen-main .contentbox-top-left img {
    object-fit: cover;
    transform-origin: top right;
    height: 100%;
  }
}

@media screen and (max-width: 991px) {
  .gasheizung .contentboxright2spequal {
    margin-top: 6px !important;
    margin-left: 0 !important;
    padding: 0;
  }
  .heizungen-main .contentboxright2spbig {
    max-width: 100%;
    width: 100%;
  }
  .start-content #ueberuns div:last-child {
    align-items: center;
    display: none;
  }
}

@media screen and (min-width: 992px) {
  .start-content a:first-child,
  .start-content a:nth-child(2) {
    max-height: 450px;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall-end {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall-end .hlul {
    width: 100% !important;
  }
  .heizungen-main .contentbox-top-headline {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .heizungen-main .contentbox-top-left {
    width: calc(33.3% - 4px) !important;
  }
  .heizungen-main .contentboxright2spbig {
    width: 66.6% !important;
  }
  .heizungen-main .contentbox-top-left a:hover {
    border: 2px solid white;
  }
  .heizungen-main .contentbox-top-left a {
    display: block;
    height: 219px;
    position: relative;
    overflow: hidden;
  }
  .heizungen-main .contentboxleft2spsmall2 {
    height: 100%;
  }
  .start-content a:nth-child(3) {
    width: 50%;
    min-width: 50%;
    flex: 1 !important;
  }
  .start-content .contentboxright2spbig {
    max-height: 430px;
  }
  .start-content a:nth-child(4) {
    width: 50%;
    max-width: 400px;
  }
  .start-content .contentboxleft2spequal {
    min-width: 100%;
  }
  .start-content .contentboxright2spequal {
    min-width: 100%;
    padding: 0;
    min-height: calc(100% - 6px) !important;
  }
  .oel-heizung .contentboxright2spbig {
    flex: 1;
  }
  .oel-heizung .contentboxbottom {
    display: flex;
    flex-wrap: wrap;
  }
  .datenschutz .contentboxleft2spsmall {
    border: none;
  }
  .kontakt .contentboxleft2spsmall {
    max-width: 100%;
  }
  .impressum .contentboxleft2spsmall {
    max-width: 100%;
  }
  .datenschutz {
    display: flex;
  }
  .datenschutz .fixed {
    display: block;
    position: sticky;
  }
  .datenschutz #meineBox {
    display: block;
    margin-top: 0;
  }
  .datenschutz .contentboxright2spbig {
    width: calc(65% - 6px);
    flex-grow: 1;
    margin-top: 0px !important;
  }
  #container {
    max-width: 1200px;
  }
  .hlur {
    width: 400px;
  }
  .hlur-img img {
    height: 100%;
    transform: translate(0);
  }
  .contentboxright2spbig {
    overflow: hidden;
    width: 65%;
  }
  .contentboxleft2spsmall {
    width: 35%;
    max-width: 330px;
  }
  .contentboxright2spequal {
    max-width: calc(50% - 6px);
    margin: 8px 0px;
    margin-left: 6px;
    overflow: hidden;
  }
  .contentboxleft2spequal {
    max-width: 50%;
    margin: 8px 0px;
    overflow: hidden;
  }

  .contentboxleft2spequal img {
    transform: translate(0);
    min-height: 100%;
    position: absolute;
    bottom: 0;
  }
  .gasheizung .contentbox-top .contentboxleft2spsmall {
    width: 40% !important;
    max-width: 280px;
    background-color: white;
  }
  .gasheizung .contentbox-top .contentboxright2spbig {
    width: calc(60% - 6px);
    margin-left: 6px;
    flex: 1;
  }
  .gasheizung .contentboxleft2spequal .contentboxright2spequal {
    height: 100% !important;
  }
  .pellet-ofen .contentboxleft3sp img {
    max-width: 250px;
  }
  .pellet-ofen .contentboxleft2spsmall {
    margin-right: 5px;
  }
  .pellet-ofen .contentboxright2spbig {
    flex: 1;
  }
  .kaminofen {
    display: flex;
    flex-wrap: wrap;
  }
  .kaminofen .contentboxright2spbig,
  .kaminofen .contentboxleft2spsmall {
    height: auto !important;
    padding: 5px;
    background-color: white;
  }
  .kaminofen .contentboxright2spbig {
    width: calc(60% - 6px);
    margin-left: 6px;
  }
  .kaminofen .contentboxleft2spsmall {
    position: relative;
    border: 5px solid white;
    overflow: hidden;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
    padding: 5px;
    transform: translate(-50%);
    position: absolute;
    left: 50%;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
    padding: 5px;
  }
  .kaminofen .contentboxright2spbig {
    padding: 25px !important;
    flex: 1;
  }
  .kaminofen p {
    font-family: "Raleway", sans-serif;
    font-size: 1em;
    font-weight: 200;
    line-height: normal;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    overflow: hidden;
    max-height: 100% !important;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spequal,
  .kaminofen .contentboxright2spequal {
    width: calc(50% - 3px);
    max-height: 100%;
  }
  .kaminofen .second-content {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
  }
  .kaminofen .contentboxleft2spequal img {
    transform: translate(0);
    min-height: 100%;
  }
  .kaminofen .contentboxleft2spsmall,
  .kaminofen .contentboxleft2spsmall img {
    padding: 0;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: auto;
    height: 100%;
  }
  .kaminofen .contentboxleft2spsmall {
    max-width: 310px;
  }
  .baeder .contentboxright2spbig {
    flex: auto;
    margin-left: 6px;
    width: calc(60% - 6px);
  }
  .baeder .contentboxleft2spequal img,
  .baeder .contentboxright2spequal img {
    height: 100%;
    width: auto;
  }
  .baeder .contentboxleft2spequal,
  .baeder .contentboxright2spequal {
    border: 5px solid white;
    padding: 0;
    max-height: 100% !important;
  }
  .wohnlueftung .contentboxleft2spsmall img:first-child {
    display: block;
  }
  #wohnlueftungfreisteller {
    display: none;
  }
  .wohnlueftung .contentboxleft2spsmall {
    max-width: 40%;
  }
  .wohnlueftung .contentboxright2spbig {
    margin-left: 6px;
  }
  .wohnlueftung .contentboxleft2spsmall {
    max-width: 40% !important;
    min-width: auto;
    width: auto;
    border: 5px solid white;
  }
  .wohnlueftung .contentboxright2spbig {
    margin-left: 6px;
    width: calc(60% - 6px);
    min-width: auto;
  }
  .wohnlueftung .contentboxleft2spequal img {
    width: 100%;
  }
  .wohnlueftung .contentboxright2spequal img {
    width: 100%;
  }
  .wohnlueftung .contentboxleft2spequal img,
  .wohnlueftung .contentboxright2spequal img {
    max-width: 100%;
    align-content: center;
    transform: translate(0);
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal,
  .wohnlueftung .secondcontent .contentboxright2spequal {
    height: auto !important;
    max-height: 100%;
  }
  .wohnlueftung .secondcontent {
    width: 100% !important;
  }

  .wohnlueftung .secondcontent img {
    object-fit: cover;
    min-height: 100%;
  }
  .regenwassernutzung img {
    max-width: 305px;
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
    max-height: 100%;
  }
  .sanitaerhaustechnik-main .contentbox-top-left a {
    padding: 4px;
    display: block;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall a {
    padding: 4px;
    display: block;
  }
  .heizungen-main .contentboxleft2spsmall1:hover img {
    transform: scale(1.1);
    transition: 2s ease-in-out;
    overflow: hidden;
  }
  .heizungen-main .contentboxleft2spsmall2:hover img {
    transform: scale(1.1);
    transition: 2s ease-in-out;
    overflow: hidden;
  }
  .contentboxright3sp {
    position: relative;
    background-color: #fff;
    margin-left: 8px;
    min-width: 240px;
  }
  .sanitaerhaustechnik-main {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: stretch;
  }
  .sanitaerhaustechnik-main .contentbox-top-left {
    width: calc(66.6% - 4px);
    float: none;
    gap: 8px;
    display: flex;
    flex-wrap: wrap;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    overflow: hidden;
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentbox-top-left a {
    padding: 4px;
    display: block;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall a {
    padding: 4px;
    display: block;
  }
  .sanitaerhaustechnik-main .contentboxleft2spbig {
    height: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentbox-top-left .contentboxleft2spbig {
    width: 100%;
    display: block;
  }
  .sanitaerhaustechnik-main .contentbox-top-left .hlul {
    min-width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall .hlul {
    background-color: #cc0000;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    background-color: unset;
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall div {
    background-color: white;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    margin-bottom: 0;
    width: 100%;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: 100%;
  }

  .sanitaerhaustechnik-main .contentbox-top-left .contentboxleft2spbig img {
    width: auto;
    object-fit: cover;
    height: 100%;
    min-width: 100%;
  }
  .sanitaerhaustechnik-main .contentbox-top-left a:hover img {
    transform: scale(1.1);
    transition: 2s ease-in-out;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    margin: 0;
  }
  .sanitaerhaustechnik-main .contentboxright2spsmall {
    width: calc(33.3% - 4px);
    float: none;
  }
  .start-content #ueberuns div:last-child {
    margin-right: 50px;
  }
  .sanitaerhaustechnik-main .contentboxleft2spbig {
    overflow: hidden;
  }
  .sanitaerhaustechnik-main .hlul {
    min-width: auto !important;
    width: auto !important;
    max-width: auto !important;
  }
  .start-content .lauftext {
    padding-right: 60px;
  }
}

@media screen and (min-width: 1040px) {
  .datenschutz #meineBox {
    min-width: 300px;
  }
  .wohnlueftung .contentboxleft2spequal img,
  .wohnlueftung .contentboxright2spequal img {
    max-width: 100% !important;
    align-content: center;
    transform: translate(0);
  }
  .heizkoerper .wrapper3sp {
    width: 100%;
    justify-content: space-between;
  }
  .gasheizung .gasheizung .contentbox-top img {
    width: 100%;
    height: auto;
  }
  .pellet-ofen .contentboxleft2spsmall {
    margin-right: 5px;
  }
  .pellet-ofen .contentboxright2spbig {
    flex: 1;
  }
  .waermepumpe .contentboxright2spbig {
    padding: 15px !important;
  }
  .waermepumpe .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .waermepumpe .contentboxleft2spsmall img {
    height: 100%;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
    height: auto;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .waermepumpe .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .waermepumpe .contentboxleft3sp {
    width: 100%;
    height: auto;
  }
  .waermepumpe .contentboxleft3sp img {
    width: 100%;
  }
  .waermepumpe .contentboxright3sp {
    width: 50% !important;
    overflow: hidden;
  }
  .waermepumpe .contentboxmiddle3sp {
    width: 50% !important;
    margin: 0;
    overflow: hidden;
  }
  .waermepumpe .contentboxright3sp img,
  .waermepumpe .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .waermepumpe .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .waermepumpe .contentboxleft3sp,
  .waermepumpe .contentboxmiddle3sp,
  .waermepumpe .contentboxright3sp {
    width: calc(33.3% - 4px) !important;
    margin: 0 !important;
    min-width: auto;
  }
  .waermepumpe .contentboxright3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxmiddle3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxleft2spsmall {
    max-width: 330px;
  }
  .waermepumpe .contentboxleft2spsmall {
    flex: 1;
  }
  .kaminofen .contentboxleft2spsmall {
    max-width: 310px;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: auto !important;
    max-width: 100%;
    flex: 1;
    width: auto;
    float: none;
  }
  .secondcontent,
  .secondcontent {
    min-width: 100%;
    background-color: white;
  }
  .wohnlueftung .secondcontent {
    background-color: transparent !important;
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal,
  .wohnlueftung .secondcontent .contentboxright2spequal {
    height: auto !important;
    max-height: 100%;
  }
  .wohnlueftung .secondcontent .contentboxright2spequal {
    width: calc(50% - 6px);
    margin-left: 6px !important;
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal {
    width: 50%;
  }
  .wohnlueftung .secondcontent .contentboxright2spequal {
    width: calc(50% - 6px);
  }
  .wohnlueftung .secondcontent img {
    object-fit: cover;
    min-height: 100%;
  }
  .regenwassernutzung img {
    max-width: 305px;
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
    max-height: 100%;
  }
  .sanitaerhaustechnik-main .hlul {
    min-width: auto !important;
    width: auto !important;
    max-width: auto !important;
  }
}

@media screen and (min-width: 1100px) {
  .sanitaerhaustechnik-main .hlul {
    min-width: auto !important;
    width: auto !important;
    max-width: auto !important;
  }
  .baeder .contentboxleft2spequal img,
  .baeder .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: auto !important;
    flex: 1;
    float: none;
    max-width: 100%;
    width: auto;
  }
  .secondcontent,
  .secondcontent {
    min-width: 100%;
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal,
  .wohnlueftung .secondcontent .contentboxright2spequal {
    height: auto !important;
    max-height: 100%;
  }
  .wohnlueftung .secondcontent img {
    object-fit: cover;
    min-height: 100%;
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
    max-height: 100%;
  }
}

@media screen and (min-width: 1200px) {
  .datenschutz #meineBox {
    width: 30% !important;
  }
  .start-container .sanitaer-container .contentboxright2spequal,
  .start-container .sanitaer-container .contentboxleft2spequal {
    min-width: 50%;
  }
  .start-content .sanitaer-container .contentboxright2spequal {
    min-width: 60%;
  }
  .start-content .sanitaer-container .contentboxleft2spequal {
    min-width: 30%;
    max-width: 40%;
  }
  .hlur-img img {
    min-width: 100%;
    height: auto;
  }
  .baeder .contentboxright2spequal img {
    height: 100%;
    width: 100%;
  }
  .gasheizung .contentbox-top .contentboxleft2spsmall {
    width: 40%;
    max-width: 280px;
    height: auto;
  }
  .gasheizung .contentbox-top .contentboxright2spbig {
    flex: 1;
    height: auto;
  }
  .gasheizung .contentboxleft2spsmall img:first-child {
    display: none;
    width: 100%;
    height: auto;
  }
  .gasheizung .contentboxleft2spsmall img:last-child {
    display: block;
    height: auto;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .pellet-ofen .contentboxleft3sp img {
    max-width: 250px;
  }
  .pellet-ofen .contentboxright2spbig {
    flex: 1;
  }
  .pellet-ofen .contentboxleft2spsmall {
    max-width: 320px;
    margin-right: 5px;
  }

  .waermepumpe .contentboxright2spbig {
    padding: 25px !important;
  }
  .waermepumpe .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .waermepumpe .contentboxleft2spsmall img {
    height: 100%;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
    height: auto;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .waermepumpe .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .waermepumpe .contentboxleft3sp {
    width: 100%;
    height: auto;
  }
  .waermepumpe .contentboxleft3sp img {
    width: 100%;
  }
  .waermepumpe .contentboxright3sp {
    width: 50% !important;
    overflow: hidden;
  }
  .waermepumpe .contentboxmiddle3sp {
    width: 50% !important;
    margin: 0;
    overflow: hidden;
  }
  .waermepumpe .contentboxright3sp img,
  .waermepumpe .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .waermepumpe .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .waermepumpe .contentboxleft3sp,
  .waermepumpe .contentboxmiddle3sp,
  .waermepumpe .contentboxright3sp {
    width: calc(33.3% - 4px) !important;
    margin: 0 !important;
    min-width: auto;
  }
  .waermepumpe .contentboxright3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxmiddle3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxleft2spsmall {
    max-width: 330px;
  }
  .waermepumpe .contentboxleft2spsmall {
    flex: 1;
  }
  .kaminofen .contentboxleft2spsmall {
    max-width: 310px;
  }
  .kaminofen .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxright2spequal img,
  .kaminofen .contentboxleft2spequal img {
    height: 100%;
    width: auto;
  }
  .kaminofen .contentboxleft2spsmall img {
    height: 100%;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: auto !important;
    flex: 1;
    float: none;
    max-width: 100%;
    width: auto;
  }
  .secondcontent,
  .secondcontent {
    min-width: 100%;
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal,
  .wohnlueftung .secondcontent .contentboxright2spequal {
    height: auto !important;
    max-height: 100%;
  }
  .wohnlueftung .secondcontent img {
    object-fit: cover;
    min-height: 100%;
  }
  .regenwassernutzung img {
    max-width: 305px;
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
    max-height: 100%;
  }
}

@media screen and (min-width: 1380px) {
  .solartechnik .contentboxleft2spequal img {
    position: relative;
  }
  .solartechnik .contentboxright2spequal,
  .solartechnik .contentboxleft2spequal {
    max-height: 288px !important;
  }
  .regenwassernutzung .contentboxright2spequal {
    max-height: 100% !important;
  }
  .wohnlueftung .contentboxleft2spequal,
  .wohnlueftung .contentboxright2spequal {
    max-height: 100% !important;
  }
  .contentboxright2spequal {
    max-height: 250px !important;
  }
  .pellet-ofen .contentboxleft3sp img {
    min-width: 100%;
  }
  .pellet-ofen .contentboxright2spbig {
    flex: 1;
  }
  .pellet-ofen .contentboxleft2spsmall {
    max-width: 320px;
    margin-right: 5px;
  }
  .waermepumpe .contentboxright2spbig {
    padding: 15px !important;
  }
  .waermepumpe .contentboxright2spbig p {
    font-size: 1em;
    line-height: normal;
    font-family: "Raleway", sans-serif;
    font-weight: 200;
  }
  .waermepumpe .contentboxleft2spsmall img {
    height: 100%;
    padding: 5px;
  }
  .waermepumpe .contentboxleft2spsmall {
    background-color: white;
    height: auto;
  }
  .waermepumpe .wrapper3sp {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
  }
  .waermepumpe .wrapper3sp img {
    width: auto;
    height: 100%;
    padding: 5px;
    text-align: center;
  }
  .waermepumpe .contentboxleft3sp {
    width: 100%;
    height: auto;
  }
  .waermepumpe .contentboxleft3sp img {
    width: 100%;
  }
  .waermepumpe .contentboxright3sp {
    width: 50% !important;
    overflow: hidden;
  }
  .waermepumpe .contentboxmiddle3sp {
    width: 50% !important;
    margin: 0;
    overflow: hidden;
  }
  .waermepumpe .contentboxright3sp img,
  .waermepumpe .contentboxmiddle3sp img {
    width: 100%;
    height: 100%;
  }
  .waermepumpe .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .waermepumpe .contentboxright2spbig {
    background-color: white;
    flex: 1;
    margin-left: 6px;
  }
  .waermepumpe .contentboxleft3sp,
  .waermepumpe .contentboxmiddle3sp,
  .waermepumpe .contentboxright3sp {
    width: calc(33.3% - 4px) !important;
    margin: 0 !important;
    min-width: auto;
  }
  .waermepumpe .contentboxright3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxmiddle3sp {
    margin-left: 6px !important;
  }
  .waermepumpe .contentboxleft2spsmall {
    max-width: 330px;
  }
  .waermepumpe .contentboxleft2spsmall {
    flex: 1;
  }
  .kaminofen .contentboxleft2spsmall {
    max-width: 310px;
  }
  .kaminofen .contentboxleft2spsmall img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spequal img,
  .kaminofen .contentboxright2spequal img {
    width: 100%;
    height: auto;
  }
  .kaminofen .contentboxleft2spsmall img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -47%);
  }
  .baeder .contentboxleft2spsmall {
    max-width: 320px;
  }
  .wohnlueftung .contentboxright2spbig {
    min-width: auto !important;
    flex: 1;
    float: none;
    max-width: 100%;
    width: auto;
  }
  .wohnlueftung .secondcontent .contentboxleft2spequal,
  .wohnlueftung .secondcontent .contentboxright2spequal {
    height: auto !important;
    max-height: 100%;
  }
  .wohnlueftung .secondcontent img {
    object-fit: cover;
    min-height: 100%;
  }
  .regenwassernutzung img {
    max-width: 305px;
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
  }
  .regenwassernutzung .contentboxright2spequal {
    padding: 15px;
  }
  .regenwassernutzung .contentboxright2spequal {
    min-width: 100%;
    padding: 15px;
    max-height: 100%;
  }
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal {
    height: 100%;
    max-height: 400px;
  }
  .solartechnik .contentboxleft2spequal img,
  .solartechnik .contentboxright2spequal img {
    width: 100%;
  }
}

@media screen and (min-width: 1540px) {
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal {
    max-height: 330px !important;
  }
}

@media screen and (min-width: 1800px) {
  .solartechnik .contentboxleft2spequal,
  .solartechnik .contentboxright2spequal {
    max-height: 390px !important;
  }
}