gap
The gap
CSS property sets the gaps (gutters) between rows and columns. It is a shorthand for row-gap
and column-gap
.
Try it
Note that grid-gap
is an alias for this property.
Syntax
css
/* One <length> value */
gap: 20px;
gap: 1em;
gap: 3vmin;
gap: 0.5cm;
/* One <percentage> value */
gap: 16%;
gap: 100%;
/* Two <length> values */
gap: 20px 10px;
gap: 1em 0.5em;
gap: 3vmin 2vmax;
gap: 0.5cm 2mm;
/* One or two <percentage> values */
gap: 16% 100%;
gap: 21px 82%;
/* calc() values */
gap: calc(10% + 20px);
gap: calc(20px + 10%) calc(10% - 5px);
/* Global values */
gap: inherit;
gap: initial;
gap: revert;
gap: revert-layer;
gap: unset;
This property is specified as a value for <'row-gap'>
followed optionally by a value for <'column-gap'>
. If <'column-gap'>
is omitted, it's set to the same value as <'row-gap'>
.
<'row-gap'>
and <'column-gap'>
are each specified as a <length>
or a <percentage>
.
Values
<length>
-
Is the width of the gutter separating the grid lines.
<percentage>
-
Is the width of the gutter separating the grid lines, relative to the dimension of the element.
Formal definition
Initial value | as each of the properties of the shorthand:
|
---|---|
Applies to | multi-column elements, flex containers, grid containers |
Inherited | no |
Computed value | as each of the properties of the shorthand:
|
Animation type | as each of the properties of the shorthand:
|
Formal syntax
gap =
<'row-gap'> <'column-gap'>?
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;
gap: 20px 5px;
}
#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></div>
<div></div>
<div></div>
</div>
CSS
css
#grid {
display: grid;
height: 200px;
grid-template: repeat(3, 1fr) / repeat(3, 1fr);
gap: 20px 5px;
}
#grid > div {
border: 1px solid green;
background-color: lime;
}
Result
Multi-column layout
HTML
html
<p class="content-box">
This is some multi-column text with a 40px column gap created with the CSS
<code>gap</code> property. Don't you think that's fun and exciting? I sure do!
</p>
CSS
css
.content-box {
column-count: 3;
gap: 40px;
}
Result
Specifications
Specification |
---|
CSS Box Alignment Module Level 3 # gap-shorthand |
Browser compatibility
BCD tables only load in the browser
See also
- Related CSS properties:
row-gap
,column-gap
- Grid Layout Guide: Basic concepts of grid layout - Gutters