For National 5 Computing Science, revise how Cascading Style Sheets (CSS) are used to apply styles to a webpage (internal) or website (external).

Cascading Style Sheets Cascading Style Sheets (CSS) can be used to style web pages. While HTML tells the browser what to display on a page, CSS tells the browser how to display it.

Another CSS performance optimization tip is similar to splitting a CSS file into multiple, device-specific files. Instead, you can also shrink the size of the webpage itself, reduce the number of DOM ...