Flex Basis

Set the initial size for flex items.

This feature is well established and works across many devices and browser versions.

Chrome

Edge

Firefox

Safari

Usage

<div class="fb-50 ..."></div>

Use breakpoint prefixes to target different screen sizes. Styles apply from the breakpoint & up.

Target viewport sizes with breakpoint prefixes.

sm:fb-*

Small≥640px

md:fb-*

Medium≥768px

lg:fb-*

Large≥1024px

xxl:fb-*

Extra Large≥1536px

Apply styles conditionally on hover using the h: prefix.

Add the h: prefix to apply styles only when the user hovers over the element.

Syntax:h:fb-*

Use negative variants to apply negative flex basis values.

Use the -- syntax to apply negative numeric values.

Syntax:fb--*