.back-top{color:#fff;background:#70a8ba;font-size:18px;line-height:100%;position:fixed;right:0;bottom:0;padding:10px;display:block;z-index:100;cursor:pointer}nav{transition:height .5s cubic-bezier(.07,.405,.555,.91)}#menu li a{font-size:.9rem;line-height:45px;display:inline-block}#menubar a,#menubar a:focus,#menubar a:hover{color:#fff}#menu li a:hover{color:#fff;cursor:pointer;background:#272727}#menubar{height:45px;position:sticky;top:0}#menubar #home a:focus,#menubar #home a:hover{color:#008cba}@media(max-width:640px){#menu li{height:50px}.active{height:274px}}