column-rule-width

Summary

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

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

Browser compatibility