Css extension is associated with Cascading Sytle sheets - Content Scrambling System. You can open css files with Note pad, Dreamweaver or Frontpage softwares.
* These are the files which define Html and XML kind of web pages display format. It doesn`t work by itself. If there is a html kind of web page with the file, it is probably related to it. You have chance to open and check these files with Note Pad application.
* The system that used for protecting Video Dvds from being copied also use the same name. For detailed information, please check the following web page.
What to use CSS
Note pad , Dreamweaver, Frontpage
which page related to CSS file
CSS Related Searches
You can check related links about CSS fileextension.