
        -o-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        -ms-animation: spin 3s linear infinite;
        /* Chrome, Opera 15+, Safari 5+ */
        animation: spin 3s linear infinite;
        /* Chrome, Firefox 16+, IE 10+, Opera */
      }
  
      #loader:after {
        content: "";
        position: absolute;
        top: 15px;
        left: 15px;
        right: 15px;
        bottom: 15px;
        border-radius: 50%;
        border: 3px solid transparent;
      