*{padding:0;margin:0;box-sizing:border-box}body{margin:20px}input{padding:10px;border-radius:5px;border:1px solid #ccc}label{display:block;margin-top:10px;margin-bottom:10px}button{margin-top:20px;background-color:#4caf50;color:#fff;padding:10px 20px;border:none;border-radius:5px;cursor:pointer}