CSS -ms-grid-columns Property Reference

The CSS -ms-grid-columns property is a nonstandard property in CSS Grid Layout. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

-ms-grid-columns overview

The CSS -ms-grid-columns property is a nonstandard property in CSS Grid Layout. Review its formal syntax, computed behavior, and practical declarations.

The property is not inherited by default. Use an explicit global keyword when inheritance is intended.

Syntax and formal definition

-ms-grid-columns formal syntax

Field	Value
Formal syntax	none \| <track-list> \| <auto-track-list>
Initial value	none
Applies to	gridContainers
Inherited	No
Percentages	referToDimensionOfContentArea
Computed value	asSpecifiedRelativeToAbsoluteLengths
Animation type	simpleListOfLpcDifferenceLpc
Media	visual
Specification group	CSS Grid Layout
Status	Nonstandard

Practical examples

These declarations demonstrate valid ways to set -ms-grid-columns. The initial and inherit global keywords remain available even when a property-specific value is preferable.

-ms-grid-columns live example

CSS

.reset-example {
  -ms-grid-columns: initial;
}

.inherit-example {
  -ms-grid-columns: inherit;
}

@supports (-ms-grid-columns: initial) {
  .supported {
    -ms-grid-columns: initial;
  }
}