Basics of CSS2 – Part 13 Introduction This is part 13 of my series, Basics of CSS2. A class of elements is a collection or set of elements. A Pseudo-Class is a class of elements that are in the CSS language and not in the HTML language. The Link Pseudo-Classes The link pseudo-classes apply to the A elements. When a user is using a web page, there are some A elements that he would click, and there are others that he would not click. During the session, he might want to know the A elements that he... Sign in to see full entry.