.pace {
    -webkit-pointer-events: none;
    pointer-events: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  .pace .pace-progress {
    background: -webkit-gradient(linear, left top, right top, 
      color-stop(20%, #5156be), 
      color-stop(40%, #2ab57d), 
      color-stop(60%, #4ba6ef), 
      color-stop(80%, #ffbf53), 
      to(#0d00fc)
    );
    background: linear-gradient(to right, 
      #5156be 20%, 
      #2ab57d 40%, 
      #4ba6ef 60%, 
      #ffbf53 80%, 
      #6200ff 100%
    );
    position: fixed;
    z-index: 2000;
    top: 0;
    right: 100%;
    width: 100%;
    height: 3px;
  }
  
  .pace-inactive .pace-progress {
    display: none;
  }
  
  .pace .pace-activity {
    display: block;
    position: fixed;
    z-index: 2000;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: #ff0000;
    -webkit-transition: -webkit-transform 0.3s;
    transition: -webkit-transform 0.3s;
    transition: transform 0.3s;
    transition: transform 0.3s, -webkit-transform 0.3s;
    -webkit-transform: translateX(100%) translateY(-100%) rotate(45deg);
    transform: translateX(100%) translateY(-100%) rotate(45deg);
    pointer-events: none;
  }
  
  .pace.pace-active .pace-activity {
    -webkit-transform: translateX(50%) translateY(-50%) rotate(45deg);
    transform: translateX(50%) translateY(-50%) rotate(45deg);
  }
  
  .pace .pace-activity::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    content: "";
    position: absolute;
    display: block;
    bottom: 18px;
    left: 65px;
    width: 20px;
    height: 20px;
    border: solid 2px transparent;
    border-top-color: #fff;
    border-left-color: #fff;
    border-radius: 50%;
    -webkit-animation: pace-spinner 0.4s linear infinite;
    animation: pace-spinner 0.4s linear infinite;
  }
  
  @-webkit-keyframes pace-spinner {
    0% {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }
  
  @keyframes pace-spinner {
    0% {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }