:root { color-scheme: light dark; font: 17px/1.6 system-ui, sans-serif; } body { margin: 0; background: light-dark(#f6f8f9,#11191e); color: light-dark(#142630,#eaf1f5); } main { max-width: 680px; padding: max(24px,env(safe-area-inset-top)) 24px max(36px,env(safe-area-inset-bottom)); margin: auto; } h1 { font-size: 2rem; line-height: 1.2; } h2 { font-size: 1.2rem; margin-top: 2rem; } a { color: light-dark(#18645d,#7dd7cd); } .muted { opacity: .65; }