About CSS Diner
CSS Diner is a free interactive browser-based game designed to teach CSS selectors through a series of levels. Players type CSS selector expressions to select the correct items on a virtual table, receiving immediate visual feedback. The game includes a built-in editor, a live HTML viewer, and a help panel for selector references. It is open source and created by @flukeout, with the source code available on GitHub.
Key Features
Interactive game for learning CSS selectors
Level-based progression with increasing difficulty
Visual HTML markup preview on hover
Built-in CSS selector editor with live results
Help panel with selector examples and guides
Ability to skip to any level by typing its number
Reset progress option
Free and open source
Pros & Cons
Pros
- Gamified approach makes learning fun and engaging
- Immediate visual feedback helps reinforce concepts
- Free to use with no registration or installation required
- Open source code allows community contributions and learning
- Simple interface suitable for all skill levels
Cons
- Focuses exclusively on CSS selectors, not other CSS properties
- May be too basic for developers already proficient in selectors
- No tracking or progress saving across sessions
Best For
Learning CSS selectors from basics to advancedPracticing and reinforcing selector syntaxInteractive coding tutorial for web development beginnersQuick refresher or challenge for experienced developers
FAQ
How do I skip to a specific level?
You can type a number in the editor (e.g., '5' for level 5) and press Enter to jump to that level.
What if I get stuck on a level?
Click the 'Help, I'm stuck!' button or refer to the help panel on the right side of the screen, which provides selector examples and explanations.
Is CSS Diner free to use?
Yes, CSS Diner is completely free and open source.
Can I reset my progress?
Yes, there is a 'Reset Progress' button available in the interface.