I'm trying to move to CSS only, however I have a couple of stumbling blocks to overcome. First, what's the difference (advantages?) of using CSS id vs CSS class (#content vs .content for instance ...

What is the difference between HTML and CSS? HTML is a markup language that consists of tags enclosed in angle brackets. These tags tell the browser how to render the page's content.

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 ...