column-gap
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Initially a part of Multi-column Layout, the definition of column-gap
has been broadened to include multiple layout methods. Now specified in Box Alignment, it may be used in Multi-column, Flexible Box, and Grid layouts.
Note that grid-column-gap
is an alias for this property.
Syntax
css
/* Keyword value */
column-gap: normal;
/* <length> values */
column-gap: 3px;
column-gap: 2.5em;
/* <percentage> value */
column-gap: 3%;
/* Global values */
column-gap: inherit;
column-gap: initial;
column-gap: revert;
column-gap: revert-layer;
column-gap: unset;
The column-gap
property is specified as one of the values listed below.
Values
normal
-
The browser's default spacing is used between columns. For multi-column layout this is specified as
1em
. For all other layout types it is 0. <length>
-
The size of the gap between columns, defined as a
<length>
. The<length>
property's value must be non-negative. <percentage>
-
The size of the gap between columns, defined as a
<percentage>
. The<percentage>
property's value must be non-negative.
Formal definition
Initial value | normal |
---|---|
Applies to | multi-column elements, flex containers, grid containers |
Inherited | no |
Percentages | refer to corresponding dimension of the content area |
Computed value | as specified, with <length>s made absolute, and normal computing to zero except on multi-column elements |
Animation type | a length, percentage or calc(); |
Formal syntax
column-gap =
normal |
<length-percentage [0,∞]>
<length-percentage> =
<length> |
<percentage>
Examples
Flex layout
HTML
html
<div id="flexbox">
<div></div>
<div></div>
<div></div>
</div>
CSS
css
#flexbox {
display: flex;
height: 100px;
column-gap: 20px;
}
#flexbox > div {
border: 1px solid green;
background-color: lime;
flex: auto;
}
Result
Grid layout
HTML
html
<div id="grid">
<div></div>
<div></div>
<div></div>
</div>
CSS
css
#grid {
display: grid;
height: 100px;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: 100px;
column-gap: 20px;
}
#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
`column-gap` property. Don't you think that's fun and exciting? I sure do!
</p>
CSS
css
.content-box {
column-count: 3;
column-gap: 40px;
}
Result
Specifications
Specification |
---|
CSS Box Alignment Module Level 3 # column-row-gap |
CSS Grid Layout Module Level 2 # gutters |
CSS Multi-column Layout Module Level 1 # column-gap |
Browser compatibility
BCD tables only load in the browser
See also
- Related CSS properties:
row-gap
,gap
- Grid Layout Guide: Basic concepts of grid layout - Gutters
- Multi-column Layout Guide: Styling Columns