row-gap

The row-gap CSS property sets the size of the gap (gutter) between an element's rows.

Early versions of the specification called this property grid-row-gap, and to maintain compatibility with legacy websites, browsers will still accept grid-row-gap as an alias for row-gap.

Try it

Syntax

css
/* <length> values */
row-gap: 20px;
row-gap: 1em;
row-gap: 3vmin;
row-gap: 0.5cm;

/* <percentage> value */
row-gap: 10%;

/* Global values */
row-gap: inherit;
row-gap: initial;
row-gap: revert;
row-gap: revert-layer;
row-gap: unset;

Values

<length-percentage>

Is the width of the gutter separating the rows. <percentage> values are relative to the dimension of the element.

Formal definition

Initial valuenormal
Applies tomulti-column elements, flex containers, grid containers
Inheritedno
Percentagesrefer to corresponding dimension of the content area
Computed valueas specified, with <length>s made absolute, and normal computing to zero except on multi-column elements
Animation typea length, percentage or calc();

Formal syntax

row-gap = 
  normal                     |
  <length-percentage [0,∞]>  

<length-percentage> = 
  <length>      |
  <percentage>

Examples

Flex layout

HTML

html
<div id="flexbox">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

CSS

css
#flexbox {
  display: flex;
  flex-wrap: wrap;
  width: 300px;
  row-gap: 20px;
}

#flexbox > div {
  border: 1px solid green;
  background-color: lime;
  flex: 1 1 auto;
  width: 100px;
  height: 50px;
}

Result

Grid layout

HTML

html
<div id="grid">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

CSS

css
#grid {
  display: grid;
  height: 200px;
  grid-template-columns: 150px 1fr;
  grid-template-rows: repeat(3, 1fr);
  row-gap: 20px;
}

#grid > div {
  border: 1px solid green;
  background-color: lime;
}

Result

Specifications

Specification
CSS Box Alignment Module Level 3
# column-row-gap

Browser compatibility

BCD tables only load in the browser

See also