User blog comment:AmazoLovey/Your Updater!/@comment-25159055-20140727011425/@comment-24.192.115.225-20140727202138

Wrong! They are coding languages. Hypertext Markup Language is essentially the base for most if not all websites - helps determine layout and appearance. CSS, or Cascading Style Sheets, is a separate language made to help simplify HTML, essentially giving more options for styling and making it possible to potentially help style thousands of pages with just one document.