#CommonRollToTop {width:15%; height:0; padding-bottom:15%;position:fixed;bottom:5px;right:2%;/*margin-right:-566px;*/display:none; z-index:9999}
#CommonRollToTop .upIcon{display:block;width:100%;height:0;padding-bottom:100%;text-align:right;padding-top:15%}
#CommonRollToTop .upIcon span{display:inline-block;width:80%;height:0;padding-bottom:80%;background:url(gotop.png.ashx) no-repeat;cursor:pointer;background-repeat:no-repeat;-moz-background-size:cover;-webkit-background-size:cover;-o-background-size:cover;background-size:cover}