html { 
    position: relative; /* Make the html element a positioned parent */
  }
  
  html::before { /* Add a pseudo-element to the html element */
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    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; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    
    /* 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);
    }
  }
  
  h2 {
    text-align: center;
  }
  
  p {
    text-align: center;
  }