.buy,.download{
    width:162px;
	margin-top:10px;
}
.download{
    float:right;
	background: url(../images/public/download.jpg) left top no-repeat;
	height:52px;
	padding:15px 0 0 65px;

}
.buy{
    float:left;
	background: url(../images/public/buy_0.jpg) left top no-repeat;
	height:59px;
	padding:8px 0 0 65px;
}