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.

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 or inline. Two advantages of using external ...

Chances are, if you've spent any time coding, you've come across CSS. But what is CSS, exactly? In short, CSS (Cascading Style Sheets) is a language that determines the style of a web document. This ...