.navtotop{width:3rem;aspect-ratio:1/1;border-radius:100%;position:fixed;bottom:20px;right:20px;z-index:10000;background-color:#fff;color:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:.8;scroll-behavior:smooth;transition:all .3s ease-in-out}.navtotop a{color:inherit;text-decoration:none}