Glossary
Flex-basis

Flex-basis

Flex-basis is a CSS property used in flexboxes that sets the initial size of a flex item before it grows or shrinks. Flex items exist in flex containers, which grow to fill empty space or shrink to prevent overflow on a web page. The flex-basis property is often used in conjunction with the flex-grow and flex-shrink properties to control the item’s sizing behavior.

For example, if you apply (flex-basis: 300px) to the item, its initial size will be 300px before growing or shrinking to fit the available space in the container.

Flex-basis lets you control the sizing behavior of content and is a key property for creating flexible and responsive webpage layouts with flexboxes.

Visit Webflow University to learn more about flexbox and other handy CSS tricks to take your web development skills to the next level.

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