<flex> CSS type
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2017.
The <flex> CSS data type denotes a flexible length within a grid container. It is used in grid-template-columns, grid-template-rows and other related properties.
Syntax
The <flex> data type is specified as a <number> followed by the unit fr. The fr unit represents a fraction of the leftover space in the grid container. As with all CSS dimensions, there is no space between the unit and the number.
Examples
Examples of correct values for the fr data type
1fr /* Using an integer value */ 2.5fr /* Using a float value */
Example of use in a track listing for CSS grid layout
css
.grid {
display: grid;
grid-template-columns: 1fr 1fr 2.5fr 1.5fr;
}
Specifications
| Specification |
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| CSS Grid Layout Module Level 2 # fr-unit |
Browser compatibility
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Legend
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