body{
    margin: 0;
    padding: 0;
}

#song-chooser{
    z-index: 2;
    position: absolute;
    padding: 10px;
    border: 1px white solid;
    margin: 5px;
    border-radius: 5px;
    background-color: darkgrey;
}

#vizualizer{
    width: 100vw;
    height: 100vh;
    z-index: -1; 
    position: absolute;
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(20px);
  -ms-transform: translateX(20px);
  transform: translateX(20px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 20px;
}

.slider.round:before {
  border-radius: 50%;
}