.back-to-top{position:fixed;visibility:hidden;opacity:0;right:15px;bottom:15px;z-index:99999;background-color:#fbdbfa;width:40px;height:40px;border-radius:50%;transition:all .4s;border:2px solid rgba(162,133,221,.4)}.back-to-top i{font-size:26px;font-weight:700;color:#181818;line-height:0}.back-to-top:hover{background-color:rgba(162,133,221,.1)}.back-to-top.active{visibility:visible;opacity:1}