body{font-family:Arial,Helvetica,sans-serif;max-width:900px;margin:20px auto;padding:0 10px;}
.product{border:1px solid #ddd;padding:12px;margin-bottom:10px;border-radius:6px;}
label{display:block;margin:6px 0;}
button{background:#2a7ae2;color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer;}