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

FeatureChromeFirefox (Gecko)Internet ExplorerOperaSafari (WebKit)
Basic support (Yes)-webkit3.5 (1.9.1)-moz1011.13.0 (522)-webkit

Mobile browsers

FeatureAndroidFirefox Mobile (Gecko)IE PhoneOpera MobileSafari Mobile
Basic supportNA(Yes)NANANA

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