* {
  box-sizing: border-box;
}

.audio-player-container {
	padding-top: 150px;
	padding-right: 16px;
	padding-bottom: 16px;
	padding-left: 16px;
	color:#000;
}
.audio-player-container audio {
  width: 100%;
  display: block;
}
.audio-player-container ul {
  background-color: lightgray;
}
.audio-player-container ul li {
  padding: 16px;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}
.audio-player-container ul li.active {
  background-color: gray;
  color:#fff;
}
.audio-player-container ul li:last-child {
  border-bottom: 0;
}