body{font-family:Arial}.top{background:#111;color:white;padding:10px;text-align:center}.hero,.container,.checkout{max-width:900px;margin:auto;padding:30px}.hero img,.container img{max-width:100%;border-radius:15px}.btn{background:#111;color:white;padding:15px 30px;border-radius:25px;text-decoration:none}input,select{display:block;padding:10px;margin:8px;width:90%}