If you create an external style sheet, you do not have to surround your CSS classes within style tags. You might also see a style sheet where the href value is not a URL.

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 ...

How does CSS work? CSS is a language that is used to style HTML documents. This language can be used to create both simple and complex websites.

In Microsoft Word, styles are a combination of predefined font style, color, and size that you can apply to text to change its appearance.