.scroll-to-top{position:fixed;bottom:20px;right:30px;z-index:1050;border-radius:50%;font-size:24px;width:48px;height:48px;text-align:center;line-height:1.5;display:none;opacity:0;transition:opacity .3s ease}.scroll-to-top.show{display:inline-block;opacity:1}@media (max-width:575px){.scroll-to-top.show{opacity:0!important}}