.back-to-top{cursor:pointer;color:#fff;z-index:1000;background-color:#00a3d0;border-color:#00a3d0;border-radius:.25rem;margin:.25rem .25rem .35rem 0;padding-top:.2rem;padding-bottom:.3rem;display:none;position:fixed;bottom:20px;right:20px}.icon_scroll{vertical-align:middle;text-align:center;background-color:#0000;background-image:url(../img/arrow_up.png);background-repeat:no-repeat;width:40px;height:40px;padding:2px 10px 2px 28px;line-height:40px;display:inline}