body{margin:0;font-family:sans-serif}*{box-sizing:border-box}a{text-decoration:none}.navitem{padding:3px 10px}.navitem.is-active{background-color:#eee}.navbar{background-color:#f5f5f5;height:8vh;display:flex;position:sticky;align-items:center;justify-content:center;top:0;z-index:3}.navbar .left{display:flex;flex:9;align-items:center}.navbar .right{flex:1}