body {
    background-color: #222;
    z-index:100;
  }

  #preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index:101;
  }

  #loader {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin: -50px 0 0 -50px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #9370DB;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
    z-index:101;  
  }

  #loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #BA55D3;
    -webkit-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite;
  }

  #loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FF00FF;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
  }

  @-webkit-keyframes spin {
    0% {
      -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      transform: rotate(0deg);
    }

    100% {
      -webkit-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }

  @keyframes spin {
    0% {
      -webkit-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      transform: rotate(0deg);
    }

    100% {
      -webkit-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }