The HTML page gives you a explanation of what HTML is and how exactly it works. It explains some of the specaial elements that are used and gives links to learn more about each one. After the elements it explains how tags are used and how to use them in each senario. Fianlly it gives other key resources to learn more about HTML and get more help. Then the same goes with CSS and it gives an understanding of how it works and when to use it. The page expalins the steps in CSS and how it works with styling the page.