.angie-scroll-to-top{position:fixed;bottom:20px;right:20px;width:45px;height:45px;border-radius:50%;background-color:#000;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease,background-color .3s ease;z-index:9999;box-shadow:0 4px 6px rgba(0,0,0,.1)}.angie-scroll-to-top.is-visible{opacity:1;visibility:visible}.angie-scroll-to-top:hover{background-color:#333}