.pace {
    -webkit-pointer-events: none;
    pointer-events: none;
  
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
  
    z-index: 2000;
    position: fixed;
    height: 90px;
    width: 90px;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  
  .pace.pace-inactive .pace-activity {
    display: none;
  }
  
  .pace .pace-activity {
    position: fixed;
    z-index: 2000;
    display: block;
    position: absolute;
    left: -30px;
    top: -30px;
    height: 90px;
    width: 90px;
    display: block;
    border-width: 30px;
    border-style: double;
    border-color: #000000 transparent transparent;
    border-radius: 50%;
  
    -webkit-animation: spin 1s linear infinite;
    -moz-animation: spin 1s linear infinite;
    -o-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
  }
  
  .pace .pace-activity:before {
    content: ' ';
    position: absolute;
    top: 10px;
    left: 10px;
    height: 50px;
    width: 50px;
    display: block;
    border-width: 10px;
    border-style: solid;
    border-color: #000000 transparent transparent;
    border-radius: 50%;
  }
  
  @-webkit-keyframes spin {
    100% { -webkit-transform: rotate(359deg); }
  }
  
  @-moz-keyframes spin {
    100% { -moz-transform: rotate(359deg); }
  }
  
  @-o-keyframes spin {
    100% { -moz-transform: rotate(359deg); }
  }
  
  @keyframes spin {
    100% {  transform: rotate(359deg); }
  }