CSS Flexbox Builder

Adjust the flex properties on the left. Use the + / - buttons to test how your layout behaves with wrapping and content alignment. Export instantly to CSS, HTML, or Tailwind.
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Mastering CSS Flexbox Layouts

Flexbox is a one-dimensional layout method for arranging items in rows or columns. Items flex to fill additional space or shrink to fit into smaller spaces. This generator allows you to visually experiment with alignment and distribution properties without writing endless CSS rules.



Frequently Asked Questions

What is the difference between align-items and align-content?
align-items determines how items align within a single line along the cross-axis. align-content determines the spacing between multiple wrapped lines. (Note: align-content only has a visual effect if flex-wrap is set to wrap and there are multiple lines of content).
How do I use this in Tailwind CSS?
Tailwind maps standard flexbox properties to utility classes (e.g., justify-content: center becomes justify-center). Select the "Tailwind Classes" option in the export dropdown to automatically generate the class string for your container.