#pagetop{height:0;margin:0;}
.scroll-top:hover{
    background-color:#479bac;
}
.scroll-top {
    background-color:rgba(15, 188, 245, 0.247059);
    background-image:url(/images/bk_btn_top.png);
    background-position: center center;
    border:1px solid #fff;
    border-radius:8px;
    width:50px;
    height:35px;
    opacity:1;
    position:fixed;
    right:30px;
    bottom:20px;
    z-index:99999;
    display:none;
}