column-rule-width property CSS Reference

Definition and Usage

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

  • Initial medium
  • Applies to multicol elements
  • Inherited no
  • Media visual
  • Computed Value an absolute length; 0 if the column rule style is none or hidden
  • Animatable yes, as a length
  • Canonical order the unique non-ambiguous order defined by the formal grammar


Formal syntax: <br-width>
column-rule-width: thin    /* Keyword values */
column-rule-width: medium
column-rule-width: thick
column-rule-width: 1px     /* Length values */
column-rule-width: 2.5em
column-rule-width: inherit


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


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


Desktop browsers

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes)-webkit 3.5 (1.9.1)-moz 10 11.1 3.0 (522)-webkit

Mobile browsers

Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support NA (Yes) NA NA NA

Relative articles