body { font-family: Arial, sans-serif; margin:0; padding:0; line-height:1.6; background:#f9f9f9; }
header { background:#2c7be5; color:#fff; padding:20px; text-align:center; }
nav a { color:#fff; margin:0 10px; text-decoration:none; font-weight:bold; }
section { padding:30px; background:#fff; margin:20px; border-radius:6px; }
footer { background:#222; color:#fff; text-align:center; padding:15px; }
img { max-width:100%; border-radius:6px; margin:15px 0; }