body {
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}
.container {
  margin: auto;
}
.top-bar {
  width: 100%;
  height: 30px;
  background: #141414;
  color: #888;
  line-height: 30px;
}
.top-bar .player-controls {
  float: left;
  margin-left: 5px;
}
.top-bar .player-controls span {
  cursor: pointer;
  -webkit-transition: all linear 0.2s;
}
.top-bar .player-controls span:hover {
  color: #eee;
}
.top-bar .player {
  float: left;
}
.top-bar .player-timeline {
  float: left;
  max-width: calc(100% - 100px);
  width: 200px;
  height: 4px;
  margin-top: 13px;
  background: #555;
  margin-left: 20px;
}
.top-bar .player-timeline-control {
  height: 4px;
  background: #999;
}
.top-bar .player-play {
  display: inline-block;
  margin-top: 2px;
  width: 26px;
  height: 26px;
  background-image: url(../src/play_circle_filled-24px.svg);
}
.top-bar .player-pause {
  display: inline-block;
  margin-top: 2px;
  width: 26px;
  height: 26px;
  background-image: url(../src/pause_circle_filled-24px.svg);
}
.top-bar .player-stop {
  display: inline-block;
  margin-top: 2px;
  width: 26px;
  height: 26px;
  background-image: url(../src/stop_circle-24px.svg);
}