#button-audio {
  background: url('http://uploads.ru/i/W/Q/P/WQPBO.gif') no-repeat;
  background-size: 16px;
  background-position: center center;
}
.music-tag-audio {
  width: 100%;
  margin-top: 5px;
}
.music-tag {
  text-align: left;
  margin: auto;
  width: 50%;
}
.music-tag-label {
  font-weight: bold;
}