1. Switch between HTML, CSS, and JavaScript tabs
2. Edit the code
3. Click "Run Code" to see changes
4. Try adding your own questions!
HTML: Type <!DOCTYPE html> for full boilerplate
Tags: <div>, <img>, <a> auto-complete
CSS: @media, flexbox, grid shortcuts
JS: function(), class, fetch templates
Type :emoji_name: to insert emojis!
Examples: :fire: 🔥 | :heart: ❤️ | :rocket: 🚀 | :thumbsup: 👍