Learn how cascading style sheets (CSS) work, and how they can help you properly create HTML page layouts that conform to industry best practices.

How to Add a Hyperlink to External CSS. Cascading style sheets (CSS) are browser instructions for styling HTML elements that can be added to Web pages in one of three ways: externally, internally ...

Create a section for your CSS style sheet in the header of your HTML page. Link to an external CSS style sheet as an alternative for larger stylesheets.