.return-to-top{cursor:pointer;position:fixed;bottom:3rem;right:3rem;background:#aaa;width:2.75rem;height:2.75rem;text-decoration:none;opacity:0;visibility:hidden;z-index:5}.return-to-top--is-visible{opacity:.75;visibility:visible;transition:opacity .2s ease-in-out}.return-to-top--is-visible:hover{opacity:1}.return-to-top__chevron{width:1.5rem;height:.8125rem}.return-to-top__chevron path{fill:currentColor}