grid-auto-rows

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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

Summary

The grid-auto-rows CSS property specifies the size of an implicitly-created grid row track.

If a grid item is positioned into a row that is not explicitly sized by grid-template-rows, implicit grid tracks are created to hold it. This can happen either by explicitly positioning into a row that is out of range, or by the auto-placement algorithm creating additional rows.

Initial valueauto
Applies togrid containers
Inheritedno
Percentagessee grid-template-rows or grid-template-columns
Mediavisual
Computed valuesee grid-template-rows or grid-template-columns
Animatableno
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Syntax

/* Keyword values */
grid-auto-rows: min-content;
grid-auto-rows: max-content;
grid-auto-rows: auto;

/* <length> values */
grid-auto-rows: 100px;
grid-auto-rows: 20cm;
grid-auto-rows: 50vmax;

/* <percentage> values */
grid-auto-rows: 10%;
grid-auto-rows: 33.3%;

/* <flex> values */
grid-auto-rows: 0.5fr;
grid-auto-rows: 3fr;

/* minmax() values */
grid-auto-rows: minmax(1fr, 300px);
grid-auto-rows: minmax(max-content, 2fr);
grid-auto-rows: minmax(20%, 80vmax);

/* Global values */
grid-auto-rows: inherit;
grid-auto-rows: initial;
grid-auto-rows: unset;

Values

<length>
Is a non-negative length.
<percentage>
Is a non-negative <percentage> value relative to the block size of the grid container. If the block size of the grid container is indefinite, the percentage value is treated like auto.
<flex>
Is a non-negative dimension with the unit fr specifying the track’s flex factor. Each <flex>-sized track takes a share of the remaining space in proportion to its flex factor.

When appearing outside a minmax() notation, it implies an automatic minimum (i.e. minmax(auto, <flex>)).

max-content
Is a keyword representing the largest maximal content contribution of the grid items occupying the grid track.
min-content
Is a keyword representing the largest minimal content contribution of the grid items occupying the grid track.
minmax(min, max)
Is a functional notation that defines a size range greater than or equal to min and less than or equal to max. If max is smaller than min, then max is ignored and the function is treated as min. As a maximum, a <flex> value sets the track’s flex factor. As a minimum, it is treated as zero (or minimal content, if the grid container is sized under a minimal content constraint).
auto
Is a keyword that is identical to maximal content if it's a maximum. As a minimum it represents the largest minimum size (as specified by min-width/min-height) of the grid items occupying the grid track.

Note: auto track sizes (and only auto track sizes) can be streched by the align-content and justify-content properties.

Formal syntax

<track-size>

where
<track-size> = <track-breadth> | minmax( <track-breadth> , <track-breadth> )

where
<track-breadth> = <length> | <percentage> | <flex> | min-content | max-content | auto

Example

HTML Content

<div id="grid">
  <div id="item1"></div>
  <div id="item2"></div>
  <div id="item3"></div>
</div>

CSS Content

#grid {
  width: 200px;
  display: grid;
  grid-template-areas: "a a";
  grid-gap: 10px;
  grid-auto-rows: 100px;
}

#grid > div {
  background-color: lime;
}

Specifications

Specification Status Comment
CSS Grid Layout
The definition of 'grid-auto-rows' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Edge Opera Safari
Basic support 29.0[1] 40.0 (40.0)[2] 10.0-ms[3] 20-ms[3] 28.0[1] Nightly build-webkit
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support No support 10.0-ms[3] No support No support

[1] Implemented behind the experimental Web Platform features flag in chrome://flags.

[2] Implemented behind the preference layout.css.grid.enabled, defaulting to false.

[3] Internet Explorer implements an older version of the specification using the -ms prefix. Therefore the property is implemented there as -ms-grid-rows.

See also

Schlagwörter des Dokuments und Mitwirkende

Schlagwörter: 
 Mitwirkende an dieser Seite: rolfedh, Sebastianz
 Zuletzt aktualisiert von: rolfedh,