Preface Introduction Part I: Building a Game with HTML, CSS, and JavaScript Chapter 1: Preparation and Setup Chapter 2: Sprite Animation Using jQuery and CSS Chapter 3: ...

CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.

Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

Make sure you validate your HTML and CSS, using a service like the W3C’s validator. This will warn you about obsolete tags and other errors that may make your HTML less robust.