body {font-family: Arial, sans-serif; margin:0; background:#f4f8fb;}
header {background:#6fb1e7; color:white; padding:20px; text-align:center;}
section {padding:20px;}
.grid {display:flex; gap:20px;}
.grid div {background:white; padding:15px; border-radius:8px; text-align:center; width:30%;}
.grid img {width:100%; border-radius:6px;}
footer {background:#333; color:white; text-align:center; padding:10px;}