body { font-family: Arial, sans-serif; margin:0; padding:0; }
header, footer { background:#005a87; color:white; padding:15px; text-align:center; }
nav a { margin: 0 15px; color:white; text-decoration:none; }
main { padding:20px; }
form input, textarea { width:100%; padding:8px; margin:6px 0; }
button { padding:10px 20px; background:#0070a8; color:white; border:none; }
.image-gallery { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.image-gallery img { width:100%; border-radius:4px; }