#gototop{visibility:hidden;display:inline-block;width:40px;height:40px;text-align:center;border-radius:5px;position:fixed;bottom:40px;right:10px;opacity:0;z-index:6;cursor:pointer;/*transition:background-color .3s,opacity .5s,visibility .5s;*/}#gototop>i{font-weight:400;font-style:normal;font-size:1.5em;line-height:35px;}#gototop.show{opacity:1;visibility:visible;}