body #app>header h1{text-align:center}body #app>header h1 img{width:50px;height:auto;text-align:center}body #app>header a{position:absolute;top:10px;left:10px}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#fff;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#555}a{cursor:pointer}a.logout:hover span{min-width:120px;transition:all .2s 0s linear}