SI20/web/spin-wheel/style.css

html { 
    position: relative; /* Make the html element a positioned parent */
  }
  
  html::before { /* Add a pseudo-element to the html element */
    content: "";
    position: fixed;
    width: 200vw;
    height: 200vh;
    top: -50vh;
    left: -50vw;
    right: 0;
    bottom: 0;
    z-index: -1; /* Set a negative z-index to move the pseudo-element below the content */
    background: url(bg-images/bg1.jpg) no-repeat center center fixed; 
    background-size: 200%;
    
    /* Add animation properties */
    -webkit-animation: spin 100s linear infinite;
    -moz-animation: spin 100s linear infinite;
    -ms-animation: spin 100s linear infinite;
    -o-animation: spin 100s linear infinite;
    animation: spin 100s linear infinite;
  }
  
  /* Define the spin animation */
  @keyframes spin {
    from {
      -webkit-transform: rotate(0deg);
      -moz-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    to {
      -webkit-transform: rotate(360deg);
      -moz-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      -o-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }
  
  .top-left-corner{
    position: fixed;
    top: 0px;
    left: 0px;
    transform: translate(-50%,-50%);
    width: 50vw;
    filter: hue-rotate(180deg);
  }

  #wheel{
    text-align: center;
  }

  button{
      color:antiquewhite;
      background-color:cyan;
      position: center;
      top:6%;
      left:50%;
      transform: translate(-50%,0);
      width: 100px;
      height:40px;
      position: relative;
      z-index: 2;
      font-family: monospace;
  }

  #popup{
    position: fixed;
    top: 50%;
    left: 50%;
    width: 5cm;
    height: 5cm;
    background-color: azure;
    z-index: 3;
    transform: translate(-50%,-50%);
    display:none;
  }
  h1 {
  position: relative;
  margin-top: 5%;
  text-align: center;
  font-family: fantasy;
  font-size:larger;
  color:antiquewhite;
  }

  h2 {
    text-align: center;
    font-family: fantasy;
    color:antiquewhite;
  }
  
  p {
    text-align: center;
    font-family: monospace;
    color:antiquewhite;
    padding: 5%;
  }