#loader {
      border: 16px solid #f3f3f3;
      border-radius: 50%;
      border-top: 16px solid blue;
      border-bottom: 16px solid blue;
      width: 120px;
      height: 120px;
      -webkit-animation: spin 2s linear infinite;
      animation: spin 2s linear infinite;

    }

    @-webkit-keyframes spin {
      0% { -webkit-transform: rotate(0deg); }
      100% { -webkit-transform: rotate(360deg); }
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }