Dive into the world of CSS pseudo-elements! Learn how to use ::before and ::after to add stylistic content without altering ...

You can use Playground Elements to: Embed editable code examples in your documentation ... Playground is fully themeable with CSS Custom Properties, down to the color of each kind of ...

All Web APIs (Application Programming Interface) supply code so that you don’t have to. They handle the intricate low-level details, allowi ...

For which languages does it work? The comments in prettify.js are authoritative but the lexer should work on a number of languages including C and friends, Java, Python, Bash, SQL, HTML, XML, CSS, ...