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 ...

Style sheets dictate how HTML documents look by defining styles for particular elements. Import premade template CSS files to apply styles to your Web page, making it simpler to design your ...

Is your webpage loading slowly? Cascading style sheets may be the problem. Here are five CSS performance optimization tips to help solve your performance bottlenecks.