ascading tyle heet file is used to define a cascading style sheet for a web page. The purpose is to provide more control over the fonts, colors, layout, etc. that go into the web page than could be provided by raw HTML. Also, since the cascading style sheet file is separate from the HTML files, it can be shared (or even inherited; a little outside the scope of this document) by multiple web pages to help provide a consistent look-and-feel across a web site. It is not yet fully supported by all browsers; newer versions of all popular browsers do provide some CSS support, however.
A World Wide Web Consortium specification for designing layout and style elements of a Web page. It permits you to control the appearance of fonts, colors, sizes, etc. throughout the entire site by referencing one master page. FrontPage 98 does this by assisting you with the Themes option.
ascading tyle heets, enable you to define the appearance of a web page, instead of formatting individual paragraphs.