#audioContainer {
  display: table-cell;
  width: 100vw;
  height: 2vh;
  background: #EEEEEE;
  padding: 10px;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
}

#mixContainer {
  border: red;
  width: 100%;
}

#mixLeft, #mixRight {
  display: inline-block;
  width: 45%;
  text-align: center;
}

#gainContainer {
  width: 100vw;
  height: 80vh;


}

#controls  {
  display: inline-block;
  float: left;
  text-align: center;
}



#controls {
  width: 100%;
  height: 100%;
  background: #DDDDDD;
  background-image: url('../img/kneppBrookhouse.png');
  background-size: cover;
}



.slider {
  -webkit-appearance: slider-vertical;
  width: 100%;
  height: 25px;
  background: #d3d3d3;
  outline: none;
  opacity: 0.25;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider:hover {
  opacity: 0.5;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  opacity: 0.25;
  background: #FFFFFF;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  background: #FFFFFF;
  cursor: pointer;
}