body {
      background-color: #eee;
      color: #444;
    }
    
    .fa {
      color: #fff;
    }
    
    #userList {
      display: none;
    }
    
    #loader {
      position: absolute;
      z-index: 2;
      width: 100%;
      text-align: center;
      top: 40%;
    }