CSS Flexbox Generator
Explore container and per-item Flexbox rules, responsive stacking, wrapping, and matching CSS/HTML exports.
Flexbox layout studio
Control the container and every child, then test wrapping at different widths.
600px viewport · Base layout active. Scroll horizontally to inspect wider layouts.
Item 1 settings
Export & saved snippets
.flex-container {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: flex-start;
align-items: stretch;
align-content: stretch;
gap: 16px 16px;
}
.item-1 {
flex: 0 1 100px;
order: 0;
align-self: auto;
min-width: 0;
}
.item-2 {
flex: 0 1 100px;
order: 0;
align-self: auto;
min-width: 0;
}
.item-3 {
flex: 0 1 100px;
order: 0;
align-self: auto;
min-width: 0;
}
.item-4 {
flex: 0 1 100px;
order: 0;
align-self: auto;
min-width: 0;
}Matching HTML
<div class="flex-container">
<div class="item-1">Item 1</div>
<div class="item-2">Item 2</div>
<div class="item-3">Item 3</div>
<div class="item-4">Item 4</div>
</div>Preview colors, fixed height, and padding are demo styling. Exports contain the layout rules and matching item classes.
How to Use CSS Flexbox Generator
Start with a centered, navigation, wrapping-card, or vertical-stack preset.
Configure the container direction, wrapping, alignment, and row/column gaps.
Select an item to edit its grow, shrink, basis, order, and self-alignment.
Test viewport widths and optional mobile stacking, then export CSS and HTML.
Frequently Asked Questions
Can I add or remove test items?
Yes, add or remove flex items in the playground to observe wrapping behavior.
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