:root{color:#1b2420;background:#eef2ef;font-family:system-ui,sans-serif}body{margin:0}.center{gap:12px;max-width:320px;margin:20vh auto 0;padding:0 16px;display:grid}label{gap:4px;display:grid}input,button{font:inherit;padding:10px}[role=alert]{color:#8a4545}