#audio_btn{ position: fixed;
	  right:60px;
	  top:60px;
	  width: 60px;
	  height: 60px;
	  background-size: contain;
	  z-index:999999
  }
.audio_play{ background-image: url('https://biyigu.com/js/mp3/mp3play.png');}
.audio_stop{ background-image: url('https://biyigu.com/js/mp3/mp3stop.png');}
.rotate {
	  -webkit-animation: rotating 1.2s linear infinite;
	 -moz-animation: rotating 1.2s linear infinite;
	 -o-animation: rotating 1.2s linear infinite;
	 animation: rotating 1.2s linear infinite
 }
 
 @-webkit-keyframes rotating {
	 from { -webkit-transform: rotate(0) }
	 to { -webkit-transform: rotate(360deg) }
 }
 
 @keyframes rotating {
	 from { transform: rotate(0) }
	 to { transform: rotate(360deg) }
 }
 @-moz-keyframes rotating {
	 from { -moz-transform: rotate(0) }
	 to { -moz-transform: rotate(360deg) }
 }