CSS - column-gap

Example

.content-box {
  border: 10px solid #000000;
  column-count: 3;
  column-gap: 20px;
}

Syntax  

/* Keyword value */
column-gap: normal; 

/* <length> values */
column-gap: 3px;
column-gap: 2.5em;

/* Global values */
column-gap: inherit;
column-gap: initial;
column-gap: unset;

Values

normal

Is a keyword indicating to use the browser-defined default spacing between columns. The specification, which most modern browsers follow, recommends that this be equal to a length of 1em.

<length>

Is a <length> value defining the size of the gap between columns. It must not be negative, but may be equal to 0.

Formal syntax

<a href="css/length" title="Possible values: a number followed by'em', 'ex', 'ch', 'rem', 'px', 'cm', 'mm', 'in', 'vh', 'vw', 'vmin', 'vmax', 'pt', 'pc' or 'px', like 3px, 1.5cm, -0.5em or 0"><length></a> <a href="css/value_definition_syntax#single_bar" title="Single bar">|</a> normal

Description  

The column-gap CSS property sets the size of the gap between columns for elements which are specified to be displayed as multi-column elements.

Browser Compatibility  

[1] Before Firefox 3 (Gecko 1.9), the default value associated to the normal keyword was 0 and not 1em.

See Also  

• CSS Reference

Specifications  

License