input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    margin: 13.8px 0;
    /*opacity: 0.2;*/
    transition: 150ms;
  }
  
  input[type=range]:focus {
    outline: none;
  }
  
  input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 12px;
    cursor: pointer;
    background-color: #cccccc;
    border-radius: 10px;
    border: none; /* 1px solid #888888; */
  }
  
  input[type=range]::-webkit-slider-thumb {
    height: 22px;
    width: 22px;
    border-radius: 10px;
    background-color: #8ce699;
    /* background-image: linear-gradient(to bottom, #8ce699 0%, #e5fae8 100%); */
    background-repeat: repeat-x;
    filter: none;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -6px;
  }
  
  input[type=range]::-moz-range-track {
    width: 100%;
    height: 12px;
    cursor: pointer;
    background-color: #cccccc;
    border-radius: 10px;
    border: none; /* 1px solid #888888;*/
  }
  
  input[type=range]::-moz-range-thumb {
    height: 22px;
    width: 22px;
    border-radius: 10px;
    background-color: #8ce699;
    /* background-image: linear-gradient(to bottom, #8ce699 0%, #e5fae8 100%); */
    background-repeat: repeat-x;
    filter: none;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
    cursor: pointer;
  }
  
  input[type=range]::-ms-track {
    width: 100%;
    height: 8.4px;
    cursor: pointer;
    background: transparent;
    border-color: transparent;
    color: transparent;
  }
  
  input[type=range]::-ms-fill-lower {
    background: #8ce699;
    border: 0.2px solid #010101;
    border-radius: 2.6px;
    box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  }
  
  input[type=range]::-ms-fill-upper {
    background: #8ce699;
    border: 0.2px solid #010101;
    border-radius: 2.6px;
    box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  }
  
  input[type=range]::-ms-thumb {
    box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
    border: 1px solid #000000;
    height: 36px;
    width: 16px;
    border-radius: 3px;
    background: #feffff;
    cursor: pointer;
    height: 8.4px;
  }
  
  #flipbook-slider-value { 
    position: absolute;
    background-image: linear-gradient(to bottom, #444444, #999999);
    width: 100px; 
    height: 30px; 
    text-align: center; 
    color: white; 
    border-radius: 10px; 
    padding-top: 4px;
    display: none;
  }
  #flipbook-slider-value:after { 
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border-top: 10px solid #999999;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    margin-top: -1px;
  }