.fst-scrolltop-button{position:fixed;right:20px;bottom:20px;width:50px;height:50px;border:none;background:#4d6fff;border-radius:50%;-webkit-transform:translateY(30px);transform:translateY(30px);opacity:0;visibility:hidden;-webkit-transition:all .2s ease-in-out;transition:all .2s ease-in-out;cursor:pointer}.fst-scrolltop-button.active{-webkit-transform:translateY(0);transform:translateY(0);visibility:visible;opacity:1}.fst-scrolltop-button span{position:absolute;background:#fff;right:calc(100% + 5px);width:95px;font-size:.9rem;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%);border-radius:4px;display:inline-block;line-height:1.9;box-shadow:0 0 15px 0px rgba(0,0,0,.1);opacity:0;-webkit-transform:translate(-20px, -50%);transform:translate(-20px, -50%);visibility:hidden;-webkit-transition:all .2s ease-in-out;transition:all .2s ease-in-out}.fst-scrolltop-button:hover span{opacity:1;visibility:visible;-webkit-transform:translate(0, -50%);transform:translate(0, -50%)}.fst-scrolltop-button svg{fill:#fff;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%, -50%);transform:translate(-50%, -50%)}