body {
    margin-left: auto;
    margin-right: auto;
    margin-top: auto;
    max-width: 1440px;
    background-color: #EDEBE6;
    overflow-x: hidden;
  }
  
  h1.h1 {
    font-size: 30px;
    text-align: center;
    
}
  a {
    color: black;
    text-decoration: none;
  }
  a.cta {
    color: white;
  }
  div.cta{
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    justify-items: center;
  }
  
  h1.ctatext {
    display: inline-block;
    background-color: #ff2617;
    padding: 15px 20px;
    border-radius: 10px;
    color: white;
    box-shadow: 3px 5px #bf261b;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    transition: 0.5s;
  }
  
  .ctatext:hover {
    background-color: #e32214;
    transform: scale(0.95);
  }
  
  h2 {
    color: black;
    font-size: 18px;
  }
  .menu {
    background-color: white;
    border: none;
    color: black;
    text-align: center;
    font-size: 18px;
    margin: 4px 2px;
    opacity: 1;
    transition: 0.5s;
    padding: 10px;
  }
  .menu:hover {
    color: gray;
    font-size: 22px;
  }
  
  html {
    font-family: Roboto;
  }
  
  img.logo {
    width: 200px;
    padding-left: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  
  div.header {
    background-color: white;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
    padding: 3px 5px;;
  }
  
  div.headersub1 {
    justify-content: center;
    align-items: center;
  }
  
  div.headersub2 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: end;
  }
  
  /*katalog*/ 
  image.imgdesign1 {
    display: block;
    width: 100px;
  }
  div.katalogdesign1 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }

  * {
    box-sizing: border-box;
  }
  
  .row > .column {
    padding: 0 8px;
  }
  
  .row:after {
    content: "";
    display: table;
    clear: both;
  }
  
  .column {
    float: left;
    width: 25%;
  }
  
  /* The Modal (background) */
  .modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: black;
  }
  
  /* Modal Content */
  .modal-content {
    position: relative;
    background-color: #fefefe;
    margin: auto;
    padding: 0;
    width: 90%;
    max-width: 500px;
  }
  
  /* The Close Button */
  .close {
    color: white;
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 35px;
    font-weight: bold;
  }
  
  .close:hover,
  .close:focus {
    color: #999;
    text-decoration: none;
    cursor: pointer;
  }
  
  .mySlides {
    display: none;
  }
  
  .cursor {
    cursor: pointer;
  }
  
  /* Next & previous buttons */
  .prev,
  .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    -webkit-user-select: none;
  }
  
  /* Position the "next button" to the right */
  .next {
    right: 0;
    border-radius: 3px 0 0 3px;
  }
  
  /* On hover, add a black background color with a little bit see-through */
  .prev:hover,
  .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
  }
  
  /* Number text (1/3 etc) */
  .numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
    position: absolute;
    top: 0;
  }
  
  img {
    margin-bottom: -4px;
  }
  
  .caption-container {
    text-align: center;
    background-color: black;
    padding: 2px 16px;
    color: white;
  }
  
  .demo {
    opacity: 0.6;
  }
  
  .active,
  .demo:hover {
    opacity: 1;
  }
  
  img.hover-shadow {
    transition: 0.3s;
  }
  
  .hover-shadow:hover {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  }

  @media (max-width: 480px), screen and (orientation: portrait) {
    body {
        margin: 0px;
      }
    h1.h1 {
        font-size: 50px;
        text-align: center;
        
    }
      div.header {
        display: block;
        vertical-align: middle;
        padding: 15px 0px;
      }
    
      a.menu {
        font-size: 20px;
      }
    
      div.headersub1 {
        display: none;
      }
      div.headersub2 {
        justify-content: center;
        vertical-align: middle;
        text-align: center;
      }
    
      .menu {
        border: none;
        color: black;
        text-align: center;
        font-size: 30px;
        margin: 4px 2px;
        opacity: 1;
        transition: 0.5s;
        padding: 10px;
      }
      .menu:hover {
        color: gray;
        font-size: 40px;
      }
      
    div.katalogdesign1 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        margin-right: auto;
        margin-left: auto;
        justify-items: center;
        width: 100%;
      }

    
  }