CSS column-rule-width Property

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.example {
  column-count: 3;
  column-rule: dashed red;
  column-rule-width: 5px;

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The column-rule-width property defines the width of a rule between columns in a multicolumn text flow.

Default value:medium
JavaScript syntax:

Standard Syntax

column-rule-width: medium|thin|thick|length|initial|inherit|revert|revert-layer|unset;

Browser Support

The numbers in the table specify the first browser version that fully supports the property.


Property Values

The following table describes the values of this property.

Value Description
medium This is default. Specifies a medium rule.
thin Specifies a thin rule.
thick Specifies a thick rule.
length Specifies a length value in px, pt, cm, em, etc. Negative values are not allowed.
initial Sets this property to its default value.
inherit If specified, the associated element takes the computed value of its parent element animation-delay property.
revert Reverts the cascaded value of the property from its current value to the value the property
revert-layer Rollback styles to the ones specified in previous cascade layers.
unset Resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not.

Default CSS Property Values

selectors {
  column-rule-width: medium;

More Example


.example {
  column-count: 3;
  column-rule: 5px dashed red;
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