CSS Flexbox playground
Click the Flexbox properties and watch the boxes rearrange in real time — then copy the container CSS. A fast way to learn flex and grab the exact code. Nothing is sent anywhere.
flex-direction
justify-content
align-items
flex-wrap
Gap12px
Number of items5
Live preview
Container CSS
Everything runs in your browser. No upload, no sign-up.
How it works
STEP 1
Pick your properties
Tap flex-direction, justify-content, align-items and wrap. Drag the gap and item count.
STEP 2
Watch the live preview
The boxes rearrange instantly so you can see exactly what each Flexbox property does.
STEP 3
Copy the CSS
Grab clean container CSS with one click, or download a .css file — nothing is uploaded.