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Flexbox Playground & CSS Generator
Experiment with flexbox layouts in real time. Adjust direction, wrapping, alignment, and gaps visually, then copy clean CSS for your own UI layouts.
How to use this tool
- Set flex direction, wrapping, and alignment options in the control panel.
- Adjust uniform or independent row/column gaps and preview item distribution.
- Copy generated CSS and apply it to your layout container.
What you can test
- Main-axis and cross-axis alignment combinations.
- Wrapping behavior with different item counts and container heights.
- Gap strategies for consistent spacing systems.
Implementation tips
- Use `align-content` only when wrapping is enabled and multiple lines exist.
- Prefer semantic utility classes for recurring flex patterns in your codebase.
- Verify behavior with variable content lengths before shipping.
FAQ
- Why is align-content disabled sometimes?
- It only affects multi-line flex containers, so it has no effect when `flex-wrap` is `nowrap`.
- Can I control row-gap and column-gap separately?
- Yes. Toggle independent gaps to set row and column spacing separately.
- Is the exported CSS production-ready?
- Yes. The generated declarations are standard CSS and can be pasted directly into your styles.
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