@keyframes run{
	0%{
		background-position: 0 0;
	}
	25.0%{
		background-position: -.51rem 0 ;
	}
	50.0%{
		background-position: -.95rem 0 ;
	}
	70.0%{
		background-position: -1.39rem 0 ;
	}
	100%{
		background-position: 0 0 ;
	}
}
@-webkit-keyframes run{
	0%{
		background-position: 0 0;
	}
	25.0%{
		background-position: -.51rem 0 ;
	}
	50.0%{
		background-position: -.95rem 0 ;
	}
	70.0%{
		background-position: -1.39rem 0 ;
	}
	100%{
		background-position: 0 0 ;
	}
}

.txt2audio{width:1.32rem; height:.36rem; margin: .06rem .15rem 0 0; float: left; background-image:url(../images/audio_new.png); background-size:100%; background-position:center;}
.txt2audio.playing {background-image: url('../images/bofang.gif')}
.txt2audio_audio{display:none; width:0px; height:0px;}
/* .txt2audio_gb{width:.49rem; height:.49rem; background:url(../images/yuyin.png); background-size:1.9rem .49rem; background-position: -1.39rem 0; margin-top:.03rem; margin-left:.12rem;} */
.txt2audio_gb.playing{animation:run 1s steps(1, start) infinite; -webkit-animation:run 1s steps(1, start) infinite;}