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CSS Flexbox Playground

Experiment with Flexbox properties and see changes in real time. Copy the generated CSS code.

display: flex;
flex-direction: row;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: stretch;
gap: 8px;
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Frequently Asked Questions about CSS Flexbox Playground

How does CSS Flexbox work?▼
Flexbox is a CSS layout model that distributes space among items in a container. Set 'display: flex' on a container, then control direction (row/column), alignment (justify-content, align-items), wrapping, and gaps. Items automatically resize to fill available space.
What is the difference between justify-content and align-items?▼
justify-content controls alignment along the main axis (horizontal in row, vertical in column). align-items controls alignment along the cross axis. Think of justify-content as horizontal spacing and align-items as vertical centering in a default row layout.
When should I use Flexbox vs Grid?▼
Use Flexbox for one-dimensional layouts (a single row or column of items). Use CSS Grid for two-dimensional layouts (rows AND columns). Flexbox is ideal for navbars, card rows, and centering. Grid is better for page layouts and complex grids.

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