body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f2f2f2; }
header, footer { background: #333; color: white; padding: 1rem; text-align: center; }
nav a { margin: 0 10px; color: white; text-decoration: none; }
main { padding: 2rem; background: white; }
img { margin: 1rem 0; border: 1px solid #ccc; }
form { margin-top: 1rem; }