How to find which CSS files are used for current page

Question

I have a lot of CSS files on the page. But a lot of these files are not used by styles. Is it possible to determine which files are used by page and which not.

Answer 1

There are many ways to find which CSS are being used by page. here are some of them:

1) if you are using firefox then firebug is useful to use. http://getfirebug.com/ just right click on page and use Inspect Element option

2) if you use IE,then Developer tools is available in IE

3) If you use google chrome,then u can directly use Inspect Element option by right clicking on page.