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.

Can a 3D Minecraft implementation be done entirely in CSS and HTML, without a single line of JavaScript in sight? The answer ...

However, for that, you need to know HTML/CSS, javascript, or canvas. Create your own Screensaver using Before Dawn. Download the Before Dawn screensaver application from GitHub.