div#root{grid-template:1fr/1fr 4fr;gap:1em;display:grid;@media (width<=800px){grid-template:1fr/1fr}& nav{background:#d3d3d3;place-content:start space-around;display:grid;& div#branding{margin-top:2em;& p{margin:0;&.brand-name{font-weight:700;text-decoration:underline}&.brand-purpose{font-size:small}}}& hr{width:100%}}& table{& th:not([scope=row]){background-color:silver}}}