为输入类型定义CSS异常

I have created on css file for input type styling, by which, i am changing the style of input type textbox, and that i have used in my whole web page. But, now i got one problem, i want that, a particular input type, shouldn't be affected by my created css file. In short, i want css exception, for particular input type. So that... input styling remain same and not be effected by css styling.Any idea, how to achieve this. Idea will be appreciated !!!I have created on css file for input type styli