.wrapper {background: url(images/bg.png);}
	main {position:relative;width:100%;height:612px;margin:15px auto 0;overflow:hidden;}
            .sound {display:none;width:270px;height:50px;padding-top:7px;margin: 497px 0 0 160px;z-index:100;background:#fff;border-radius:10px;}