.online_pay_img,.online_pay_img--small{width:150px;margin:37px 10px 0;display:inline-block}.online_pay_img--small{margin:10px}.online_pay_btn{display:inline-block;border:1px solid #ccc;background:0 0;position:relative;-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;font-size:13px;cursor:pointer}.online_pay_btn span{display:block;font-weight:700;width:100%;position:absolute;top:0;left:0;text-align:center;-webkit-transition:opacity .2s;-moz-transition:opacity .2s;-ms-transition:opacity .2s;-o-transition:opacity .2s;transition:opacity .2s}.online_pay_btn span:first-child{color:red;background-image:linear-gradient(#eee,#fbfbfb,#eee);border-bottom:1px solid #ccc;border-top-right-radius:5px;border-top-left-radius:5px;opacity:1}.online_pay_btn span:nth-child(2){color:#fff;background-image:linear-gradient(red,#a81a1a,red);opacity:0}.online_pay_btn:hover span:first-child{opacity:0}.online_pay_btn:hover span:nth-child(2){opacity:1}