.banner{position:sticky;top:0;z-index:5;background:#b3541e;color:#fff;padding:10px 12px;border-radius:8px;display:flex;justify-content:space-between;align-items:center;font-weight:bold}body{font-family:system-ui,sans-serif;margin:0;background:#f6f3ef;color:#2b2118}header{background:#3b2a1e;color:#fff;padding:12px 16px;display:flex;justify-content:space-between}
main,section{max-width:720px;margin:16px auto;padding:0 12px}.t{background:#fff;border-radius:12px;padding:12px 16px;margin:10px 0;box-shadow:0 1px 3px #0002}
button{background:#6b4a2f;color:#fff;border:0;border-radius:8px;padding:8px 12px;margin:3px;cursor:pointer}button.sel{background:#c47b2c}.gris{color:#777}td{padding:3px 10px}