button{
	border:none;
	background:none;
	padding:0;
	margin:0;
	width:167px;
   	overflow:visible;					
	text-align:center;	
	white-space:nowrap;	
	height:30px;
	line-height:28px;			
	}
button span, button em{
			display:block;
			height:30px;
			line-height:28px;			
			margin:0;
			color:#ffffff;
			}	
button span{
            padding-left:15px;
	    background:url(../image/oval.jpg) no-repeat 0 0;
           }	
button em{
            font-style:normal;
	    padding-right:15px;
            background:url(../image/oval.jpg) no-repeat 100% 0;
         }