About This Tool
Visualize and experiment with CSS Flexbox properties using this interactive playground. Modify layout options like justify-content, align-items, flex-direction, and more — with live previews and exportable code.
Tool Interface
Flexbox Playground
Flex Container Properties
10px
300px
Flex Item Properties
0
1
Flexbox Visualization
1
2
3
4
5
Generated CSS
.flex-container {
display: flex;
}
Flexbox Guide
Main Axis vs Cross Axis
The main axis is defined by flex-direction (row/column), while the cross axis runs perpendicular to it.
Container Properties
flex-direction: Sets the main axis directionjustify-content: Aligns items along main axisalign-items: Aligns items along cross axisflex-wrap: Controls item wrapping
Item Properties
flex-grow: How much item grows relative to othersflex-shrink: How much item shrinks relative to othersalign-self: Overrides container's align-items
Preset Layouts
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Tool Stats
Total Views
9
Last Updated
Jul 4, 2025
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