index.html
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="style.css">
</head>
<body>
<input type="checkbox" name="checkbox" /><label>チェックボックス</label>
<input type="radio" name="radio" /><label>ラジオ</label>
<input type="radio" name="radio" /><label>ボタン</label>
</body>
</html>
style.css
input[type=checkbox] {
width: 100px;
height: 100px;
vertical-align: middle;
}
input[type=radio] {
width: 100px;
height: 100px;
vertical-align: middle;
}