The four flex properties with their nine-space syntax are easy to get wrong and miserable to debug from a screenshot. Seeing the layout move as you change each option beats reading the spec a hundred times.
Tweak direction, justify, align, wrap, and gap on a live preview, then copy the CSS that produced the layout you actually like. Keep it for the next layout you cannot quite place.
Try it now: open the free tool, runs 100{b8b7921c843ac9e5edcbca134af59decad3ed340e0e3b2e6c286158f277affea} in your browser.
Bottom line: see the layout live, then copy working CSS.
Your turn: use the tool free here, no signup, nothing leaves your device.
How do you use CSS Flexbox Playground & Generator?
Open the CSS Flexbox Playground & Generator in your browser (Experiment with flexbox alignments visually). Type or paste your input, adjust the options, and copy the result. Everything runs locally on your device with no account and nothing stored, so the three steps below take seconds even for confidential work.
- Paste the data or snippet you want to process.
- Run the tool and watch the output update.
- Copy the result for use in your own code.
Try CSS Flexbox Playground & Generator free. It opens right in your browser.