#back-top,#back-top a{height:55px;width:55px}#back-top{border-radius:50%;position:fixed;bottom:75px;right:50px;z-index:99999;background:#000}#back-top a{display:block;text-align:center;line-height:58px}#back-top:hover{box-shadow:1px 1px 6px #000 inset}#back-top a::before{height:0;width:0;content:" ";display:inline-block;border-top:0;border-left:10px solid #000;border-right:10px solid #000;border-bottom:15px solid #fff}#back-top span{position:absolute;right:62px;top:16px;color:#fff;padding:3px 8px;border-radius:11px 0 11px 11px;white-space:nowrap;font-size:1em;display:none;font-weight:600;background:#000}#back-top a:hover+span,#back-top a:focus+span{display:block}#back-top a:hover{animation-name:arrow;animation-duration:1s;animation-iteration-count:infinite}@keyframes arrow{0{line-height:70px}50%{line-height:48px}100%{line-height:70px}}.skin-flamingo #back-top{background:#3e79bc}.skin-flamingo #back-top a::before{border-left:10px solid #3e79bc;border-right:10px solid #3e79bc;border-bottom:15px solid #fff}.skin-flamingo #back-top:hover{box-shadow:1px 1px 6px #2b5482 inset}.skin-flamingo #back-top span{background:#386da9;color:#fff}