Basics of CSS2 – Part 2 Introduction This is part 2 of my series, Basics of CSS2. In this part, we shall look at the main characteristics of what is called a style sheet. If you have not read the first part of the series, read it, as this is the continuation. Rule Set A Rule Set or simply Rule, or statement is what gives presentation to an HTML element. In the previous part of the series, we have the following start tags for three HTML elements: <body style="background-color:black"> <h1... Sign in to see full entry.