html, body { height: 100%; margin: 0; }
body { display: flex; align-items: center; justify-content: center; background: #1b6b3a; color: #ffffff; font-family: sans-serif; }
main { text-align: center; border: 6px solid #ffd23f; border-radius: 24px; padding: 48px 64px; background: #0f4d28; }
h1 { font-size: 96px; margin: 0 0 24px 0; letter-spacing: 4px; }
p { font-size: 22px; margin: 0; color: #ffd23f; }