div#comparison {
    width: 60vw;
    height: 45.1785714286vw;
    max-width: 2024px;
    max-height: 2688px;
    overflow: hidden;
 }
  div#comparison figure {
    background-image: url(https://www.cs.umd.edu/~hadi/defocus-control.github.io/static/images/tiltshift_output.jpg);
    background-size: cover;
    position: relative;
    font-size: 0;
    width: 100%;
    height: 100%;
    margin: 0;
  }
  div#comparison figure > img {
    position: relative;
    width: 100%;
  }
  div#comparison figure div {
    background-image: url(https://www.cs.umd.edu/~hadi/defocus-control.github.io/static/images/tiltshift_src_w.jpg);
    background-size: cover;
    position: absolute;
    width: 50%;
    box-shadow: 0 5px 10px -2px rgba(0,0,0,0.3);
    overflow: hidden;
    bottom: 0;
    height: 100%;
    margin: 0;
  }

  #compare_slider{
    -webkit-appearance:none;
    -moz-appearance:none;
    position: relative;
    top: -4rem; left: -1%;
    background-color: rgba(255,255,255,0.1);
    width: 102%;
  }
  #compare_slider[type=range]:focus {
    outline: none;
  }
  #compare_slider[type=range]:active {
    outline: none;
  }

  #compare_slider[type=range]::-moz-range-track {
    -moz-appearance:none;
      height:15px;
      width: 98%;
      background-color: rgba(255,255,255,0.1);
      position: relative;
      outline: none;
   }
  #compare_slider[type=range]::active {
    border: none;
    outline: none;
  }
  #compare_slider[type=range]::-webkit-slider-thumb {
      -webkit-appearance:none;
      width: 20px; height: 15px;
      background: #fff;
      border-radius: 0;
     }
  #compare_slider[type=range]::-moz-range-thumb {
    -moz-appearance: none;
    width: 20px;
    height: 15px;
    background: #fff;
    border-radius: 0;
       }
  #compare_slider[type=range]:focus::-webkit-slider-thumb {
      background: rgba(255,255,255,0.5);
     }
  #compare_slider[type=range]:focus::-moz-range-thumb {
      background: rgba(255,255,255,0.5);
     }

     /* #compare_slider {
        position: absolute;
        -webkit-appearance: none;
        appearance: none;
        width: 100%;
        height: 100%;
        background: rgba(242, 242, 242, 0.3);
        outline: none;
        margin: 0;
        transition: all 0.2s;
        display: flex;
        justify-content: center;
        align-items: center;
      } */
      /* #compare_slider:hover {
        background: rgba(242, 242, 242, 0.1);
      }
      #compare_slider:-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 6px;
        height: 600px;
        background: white;
        cursor: pointer;
      }
      #compare_slider:-moz-range-thumb {
        width: 6px;
        height: 600px;
        background: white;
        cursor: pointer;
      } */