column-rule-width

The column-rule-width CSS property lets you set the width of the rule drawn between columns in multi-column layouts.

Initial value	medium
Applies to	multicol elements
Inherited	no
Media	visual
Computed value	the absolute length; 0 if the column-rule-style is none or hidden
Animation type	a length
Canonical order	the unique non-ambiguous order defined by the formal grammar

Syntax

/* Keyword values */
column-rule-width: thin;
column-rule-width: medium;
column-rule-width: thick;

/* Length values */
column-rule-width: 1px;
column-rule-width: 2.5em;

/* Global values */
column-rule-width: inherit;
column-rule-width: initial;
column-rule-width: unset;

Values

<br-width>

Is a <length> or one of the thin, medium or thick keyword describing the width of the rule separating two columns.

Formal syntax

<br-width>
where 
<br-width> = <length> | thin | medium | thick

Example

#header {
  column-rule-width: thick;
}

Specifications

Specification	Status	Comment
CSS Multi-column Layout Module The definition of 'column-rule-width' in that specification.	Candidate Recommendation	Initial definition

Browser compatibility