body{font-family:Arial,sans-serif;margin:0}
.hero{padding:60px;text-align:center;background:#eef5ee}
.cards{display:flex;gap:20px;padding:20px}
.card{border:1px solid #ddd;padding:10px;width:30%}
.card img{width:100%}
footer{padding:20px;text-align:center}