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CSS Introduction

4 lessonsAbout 24 minutesBeginner

This part of the CSS Tutorial runs from What is CSS through to CSS Comments. There are 4 lessons here, and working through them takes about 24 minutes at a steady pace.

This is where the CSS Tutorial starts. Nothing before it is assumed, and every example runs in the editor built into each lesson, so you can change the code and see the result without installing anything.

Each lesson below says what it covers before you open it. Read them in order the first time; afterwards this page works as a index you can jump back into when you need to check one thing.

  1. 1What is CSSLearn how CSS controls presentation, layout, spacing, typography, color, and responsive behavior while HTML continues to provide the document structure.
  2. 2CSS SyntaxUnderstand selectors, declaration blocks, properties, values, parsing, and the rules the browser follows when it reads a CSS stylesheet.
  3. 3How to Add CSSCompare inline, internal, and external CSS, then choose the method that keeps styles reusable, cacheable, and maintainable.
  4. 4CSS CommentsUse CSS comments to document intent, explain unusual constraints, organize stylesheets, and temporarily isolate declarations while debugging.
All of CSS TutorialNext: CSS Foundations