:root { font: 16px/1.65 system-ui, sans-serif; color: #243c35; background: #f5f7f3; color-scheme: light; }
body { margin: 0; }
main { max-width: 760px; margin: 36px auto; padding: 32px; background: #fff; border: 1px solid #dce5db; border-radius: 16px; }
h1 { line-height: 1.15; font-size: 36px; color: #163e30; }
h2 { font-size: 20px; margin-top: 30px; }
a { color: #24533d; }
@media(max-width: 800px) { main { margin: 0; border: 0; border-radius: 0; padding: 24px; } }