* {
    padding: 0;
    margin: 0;
    font-family: 'Times New Roman', Times, serif;
    font-size: 11px;
    line-height: 11px;
  }

  .background {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: no-repeat top center;
    background-size: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
  }

  .background.active {
    opacity: 1;
  }

  .background-1 {
    background-image: url("../bgs/stadel-photo.de140604.jpg");
  }

  .background-2 {
    background-image: url("../bgs/stadel-photo.de190342.jpg");
  }

  .background-3 {
    background-image: url("../bgs/stadel-photo.de08192021.jpg");
  }

  .background-4 {
    background-image: url("../bgs/stadel-photo.de2007250942.jpg");
  }

  nav {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    left: 0%;
    padding: 10px;
    margin-left: 0px;
    position: absolute;
    top: 0%;
    margin-top: 0px;
    width: 100%;
    z-index: 10;
    text-align: center;
    /** background should be a gradient from white to transparent vertically **/
    background: linear-gradient(to bottom, rgba(255,255,255,0.9) 0%,rgba(255,255,255,0.8) 30%,  rgba(255,255,255,0) 100%);
    background: rgba(255,255,255,0.8) ;
    display: flex;
    flex-direction: wrap;
    align-items: center;
    justify-content: center;
  }

  h1 {
    font-size: 50px;
    color: #333;
    text-shadow: 1px 1px 0px #fff;
    letter-spacing: 3px;
    font-weight: normal;
  }

  h2 {
    font-size: 20px;
    color: #333;
    border-bottom: 2px solid #666;
    text-shadow: 1px 1px 0px #fff;
    letter-spacing: 1px;
    line-height: 25px;
    font-weight: normal;
    margin-bottom: 10px;
  }

  .logo {
    width: 220px;
    height: auto;
  }

  ul {
    margin-top: 10px;
    margin-left: 10px;
    list-style: none;
  }

  nav li {
    display: inline-block;
    margin: 0 10px;
    margin-bottom: 10px;
  }

  nav a,
  nav label {
    cursor: pointer;
    color: #666;
    text-shadow: 1px 1px 0px #ccc;
    text-decoration: none;
    font-size: 15px;
    letter-spacing: 1px;
  }

  nav a:hover,
  nav label:hover {
    color: #333;
    text-decoration: underline;
   
  }


  .visibilityToggle+.modal {
    display: none;
  }

  .visibilityToggle:checked+.modal {
    display: block;
  }

  .close-button {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #333;
    color: #fff;
    text-align: center;
    line-height: 20px;
    font-size: 12px;
    cursor: pointer;
  }

  .close-button:hover {
    background-color: #555;
  }

  .modal {
    position: absolute;
    left: 50%;
    top: 100px;
    width: 80%;
    max-width: 600px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    box-shadow: 0px 5px 20px -5px #333;
    z-index: 20;
    transform: translate(-50%, 0%);
    border-radius: 5px;
  }

  p {
    overflow: hidden;
    font-size: 14px;
    padding-top:5px;
    height: auto;
    padding-bottom: 20px;
    transition: height 1s;
    line-height: 140%;
  }

  .hidden {
    display: none;
  }

  @media screen and (orientation:portrait) {
    .card {
      text-align: center;
      left: auto;
      width: 80%;
      top: 10%;
      margin: 0 10%;
    }

    blockquote {
      width: 80%;
      left: 0;
      margin-left: 0;
      text-align: center;
      padding: 0 10%;
      text-indent: 0;
    }
  }

  @media screen and (orientation:landscape) {}