header{flex-wrap:wrap;gap:16px}header nav{margin:0}h2{font-size:1.3rem;line-height:1.4}.panel p{max-width:80ch;line-height:1.75}a{color:#9ae6e1;text-underline-offset:3px}.source-links{border-left:3px solid #77d9e5;padding:10px 16px;background:#0e2634;margin-top:20px}.source-links p{margin:8px 0;overflow-wrap:anywhere}details{border-top:1px solid #2d3b50;padding-top:14px}nav a:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #77d9e5;outline-offset:3px}.intro nav{margin-bottom:24px}section:target{border-color:#77d9e5}@media(max-width:650px){h2{font-size:1.12rem}header{padding:18px}nav{gap:8px}nav a{padding:8px 10px}}