Javascript

1. $(':button', '.jqTest').css({
2.         color: '#FFFFFF',
3.         backgroundColor: '#990000',
4.         border: '5px solid #5F5F5F'
5. });

HTML

1. <div class="jqTest">
2.     <input type="text" value="" name="text" />
3.     <input type="button" value="最初のボタン" name="button" />
4.     <input type="radio" value="" name="radio" />
5.     <input type="submit" value="Submit" name="submit" />
6.     <button>ボタンタグ</button>
7.     <input type="button" value="最後のボタン" name="button2" />
8. </div>