WDI Fundamentals

WDI Fundamentals Unit 4

By the end of this Unit, you'll be able to:
  • Understand the difference between HTML and CSS.
  • Unlock millions of colors with RGB and Hex to design websites.
  • Learn to work with relative vs. absolute addresses.
  • Use classes and IDs to better organize and manipulate your code.
  • Add links, images, and list items to your webpage.

Intro to CSS

HTML — or HyperText Markup Language — is the standard language used to code web pages and add content to a website. CSS — Cascading Style Sheets — dictates how content written in an HTML document looks, including stylistic layouts, colors, and fonts.

In this unit, we'll learn more about CSS and styling to create better designed websites!


  • Why is it important to create separate HTML and CSS documents?
  • Can you explain separation of concerns in greater detail?

On to the lesson.