html{
    max-width: 100%;
    overflow-x: hidden;
}

body{
    background-color: gray;
    
}

h1{
    text-align: center;
}

.container {
    height: 100%;
    overflow: scroll;
}

.container__section {
    /* Take full size */
    height: 100%;
    width: 100%;

    /* Stick to the top */
    position: sticky;
    top: 0;
    background-color: gray;
}

.container__section2 {
    /* Take full size */
    height: 100%;
    width: 100%;

    /* Stick to the top */
    position: sticky;
    top: 0;
    background-color: #666666;
}


Result Skip Results Iframe
EDIT ON
video {
  object-fit: cover;
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
}

html, body {
  height: 100%;
}
html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: 150%;
  line-height: 1.4;
}
body {
  margin: 0;
}
/* 
.viewport-header {
  position: relative;
  height: 100%;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
} */

h1 {
  font-family: 'Syncopate', sans-serif;
  color: white;
  text-transform: uppercase;
  letter-spacing: 3vw;
  line-height: 1.2;
  font-size: 3vw;
  text-align: center;

}

main {
  background: rgba(black, 0.66);
  color: white;
  position: relative;
  padding: 1rem;
 
}

#bgvid{
    width: 100%;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: gray;
    position: -webkit-sticky;
      position: sticky;
      top: 0;
  }
  
  li {
    float: right;
  }
  
  
  li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  #exit:hover{
    background-color: red;
  }

  #launch:hover{
    background-color: green;
  }

  .active {
    background-color: #fff;
  }

  model-viewer{
    display:flex;
    width: 300px;
    height: 300px;
    float: left;
    margin-top: 100px;
  }

  #img1{
    width: 480px;
    height: 300px ;
    padding-left: 5%;
  }

  #img2{
    width: 525px;
    height: 240px ;
    padding-top: 105px;
    padding-left: 32%;
  }

  p{
   margin-left: 50px;
   margin-right: 50px;
   color: white;
   font-size: 22pt;
  }

#scene{
    width: 400px;
}

#pic{
    width: 600px;
}

#content1{
    display: flex;
    justify-content: space-between;
    padding-left: 30%;
}

#content2{
    display: flex;
    justify-content: space-between;
    padding-right: 50px;
}


#rotate{
    width: 400px;
    padding-left:10%;
}

#touch{
    width: 400px;
    padding-left:10%;
}

#catalogue{
    width: 400px;
    padding-left:20%
}

.stationtext{
    font-size: 14pt;
    padding-left: 8%;
}