:root{--primary:#434648;--border:#c4c8cc}html.dark{--primary:#babdc4;--border:#4a4d56}.footer{max-width:660px;width:calc(100% - 2rem);margin:4em auto 2em;border:1px solid var(--border);border-radius:6px;padding:1.25rem 1rem}.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem 1.25rem;margin-bottom:.9rem}.footer-nav a{text-decoration:none;opacity:.85}.footer-nav a:hover{opacity:1;text-decoration:underline}.banner{margin:1.5rem 0 0}.banner img{display:block;width:100%;height:auto;border-radius:6px}.banner+.header{margin-top:1.5rem}.banner+.author{margin-top:1.5rem}