:root{
    --text-left-1: 50px;
    }
    
    html, body {
        margin: 0;
        height: 100%;
        width: 100%;
        font-family: 'Roboto', sans-serif;
      }
    
      #aboutPage {
        position: fixed;
        height: 100%;
        width: 100%;
        margin-top: 0px;
      }
    
      #aboutText{
        color: black;
        margin-top: 25px;
        margin-bottom: 25px;
        margin-left: 25px;
        margin-right: 25px;
      }
    
      /* Add a black background color to the top navigation */
      .topnav {
        background-color: #ddd;
        overflow: hidden;
        position: absolute;
        z-index: 2;
        position: fixed;
      }
    
      /* Style the links inside the navigation bar */
      .topnav a {
        position:absolute;
        float: right;
        color: #f2f2f2;
        text-align: center;
        padding: 14px 16px;
        text-decoration: none;
        font-size: 17px;
        z-index: 1000;
      }
    
      /* Change the color of links on hover */
      .topnav a:hover {
        background-color: #ddd;
        color: black;
        z-index: 2;
      }
    
      /* Add a color to the active/current link */
      .topnav a.active {
        background-color: grey;
        color: white;
        z-index: 2;
      }
    
       /* Navbar container */
    .navbar {
      padding: 10px 20px;
      text-justify: auto;
      font-size: 24px;
      color: white;
      font-weight: 300;
      text-align: center;
      justify-content: center;
      overflow: visible;
      background-color: #333;
      z-index: 2;
      width: 100%;
      position: fixed;
    }
    
    /* Links inside the navbar */
    .navbar a {
      
      float: right;
      font-size: 16px;
      font-weight: 300;
      color: white;
      text-align: center;
      padding: 8px 10px;
      text-decoration: none;
      z-index: 2;
      translate: -50%;
    }
    
    /* The dropdown container */
    .dropdown {
      float: left;
      overflow: hidden;
    }
    
    /* Dropdown button */
    .dropdown .dropbtn {
      font-size: 16px;
      border: none;
      outline: none;
      color: white;
      padding: 14px 16px;
      background-color: inherit;
      font-family: inherit; /* Important for vertical align on mobile phones */
      margin: 0; /* Important for vertical align on mobile phones */
    }
    
    /* Add a red background color to navbar links on hover */
    .navbar a:hover, .dropdown:hover .dropbtn {
      background-color: yellow;
    }
    
    /* Dropdown content (hidden by default) */
    .dropdown-content {
      display: none;
      position: absolute;
      background-color: #f9f9f9;
      min-width: 160px;
      box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
      z-index: 2;
    }
    
    /* Links inside the dropdown */
    .dropdown-content a {
      float: none;
      color: black;
      padding: 12px 16px;
      text-decoration: none;
      display: block;
      text-align: left;
    }
    
    /* Add a grey background color to dropdown links on hover */
    .dropdown-content a:hover {
      background-color: #ddd;
      z-index: 2;
    }
    
    /* Show the dropdown menu on hover */
    .dropdown:hover .dropdown-content {
      display: block;
      z-index: 2;
    } 

    .flex-container {
      display: flex;
      flex-wrap: wrap;
      font-size: 24px;
      flex-direction: row;
      margin-top: auto;
    }
    
    .flex-item-left {
      padding: 10px;
      flex: 12%;
      margin-top: 30px;
      margin-left: 3%;
      text-align: left;
      font-size: 24px;
    }
    .flex-item-center {
      background-color: white;
      padding: 10px;
      flex: 60%;
      margin-top: 50px;
      font-size: 24px;
    }
    
    .flex-item-right {
      padding: 10px;
      flex: 15%;
      margin-top: 50px;
    }
    
    /* Responsive layout - makes a one column-layout instead of a two-column layout */
    @media (max-width: 800px) {
      .flex-item-left, .flex-item-center {
        flex: 100%;
      }
    }

    .grid-container {
      display: grid;
      grid-template-columns: auto auto auto ;
      gap: 20px;
      padding: 20px;
    }

    .full-length {
      grid-column: 1 / 4;
      text-align: left;
    }

    .thumbnails {
      font-size: 17px;
      text-align: center;
    }

    .thumbnails > img{
      cursor: pointer;
    }

    .displayImages {
      position: fixed;
      justify-content: center;
      overflow: hidden;
     
    }
    
    img {
      max-width: 80%;
      max-height: 90%;
      border-radius: 0px;
      border-width: 10px;
      border-style: solid;
      border-color: white;
      opacity: 100%;
    }

    iframe {
      margin-top: auto;
      position: absolute;
      min-width: 65% ;
      min-height: 80% ;
      display: contents;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      max-width: 80%;
      max-height: 80%;
      box-sizing: inherit;
      opacity: 100%;
      background: white;
      outline-color: #333;
      outline-style: solid;
    }

    .button {
      background-color: lime; 
      border: none;
      color: white;
      padding: 10px 20px;
      text-align: center;
      text-decoration: none;
      display: inline-block;
      font-size: 17px;
      margin: 4px 2px;
      cursor: pointer;
    }
    
    .button1 {
      background-color: white; 
      color: black; 
      border: 2px solid lime; /* Datavis */
    }

    .button1:hover {background-color: lime;}
    .button1:active, .button1.active {background-color: lime;}
    
    .button2 {
      background-color: white; 
      color: black; 
      border: 2px solid #ff00f7; /* designstudio */
    }

    .button2:hover {background-color: #ff00f7;}
    .button2:active, .button2.active {background-color: #ff00f7;}   
    
    .button3 {
      background-color: white; 
      color: black; 
      border: 2px solid #bfff00; /* modelmaking */
    }

    .button3:hover {background-color: #bfff00;}    
    .button3:active, .button3.active {background-color: #bfff00;}    
    
    .button4 {
      background-color: white;
      color: black;
      border: 2px solid aqua; /* animation */
    }

    .button4:hover {background-color: aqua;} 
    .button4:active, .button4.active {background-color: aqua;}         
    
    .button5 {
      background-color: white;
      color: black;
      border: 2px solid #ff6a00; /* exhibit */
    }

    .button5:hover {background-color: #ff6a00;}
    .button5:active, .button5.active {background-color: #ff6a00;}  

    .button6 {
      background-color: white;
      color: black;
      border: 2px solid #d000ff; /* doc */
    }

    .button6:hover {background-color: #d000ff;}
    .button6:active, .button6.active {background-color: #d000ff;}  

    .fullSize{
      width: 100%;
      justify-content: center;
      align-items: center;
      display: flex;
    }

    img{
      max-width: 100%;
    }