.back-to-top{position:fixed;right:20px;bottom:20px;z-index:50;padding:9px 13px;border:1px solid #dce3eb;border-radius:6px;background:#fff;color:#10163b;font-size:13px;font-weight:700;text-decoration:underline;box-shadow:0 3px 14px #10163b25}
.back-to-top[hidden]{display:none}
.back-to-top:hover{color:#087caf}
@media(max-width:560px){.back-to-top{right:12px;bottom:12px;font-size:12px;padding:8px 11px}}