column-rule-style

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

column-rule-style: none;
column-rule-style: hidden;
column-rule-style: dotted;
column-rule-style: dashed;
column-rule-style: solid;
column-rule-style: double;
column-rule-style: groove;
column-rule-style: ridge;
column-rule-style: inset;
column-rule-style: outset;
/* Global values */
column-rule-style: inherit;
column-rule-style: initial;
column-rule-style: unset;

Initial value	`none`
Applies to	multicol elements
Inherited	no
Media	visual
Computed value	as specified
Animation type	discrete
Canonical order	the unique non-ambiguous order defined by the formal grammar

Syntax

A single <br-style> value.

Values

<br-style>: Is a keyword defined by border-style describing the style of the rule. The styling must be interpreted as in the collapsing border model.

Formal syntax

<br-style>where 
<br-style> = none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset

Example

#header {
  -moz-column-count: 3;
  -moz-column-gap: 40px;
  -moz-column-rule-style: solid;
}

<div id="header">
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. 
    Mauris sit amet maximus quam. Fusce tempor metus turpis, sit amet bibendum purus tincidunt sit amet. 
    Etiam pretium tempus nibh id pharetra. Nullam ut fermentum est. Integer ut convallis eros, sed laoreet dui. 
    Quisque semper eget tortor ac tempor. Vestibulum quis risus ac ex ultricies vehicula. 
    Duis placerat elementum lectus, id vulputate urna placerat vel. Ut tincidunt sit amet velit sed imperdiet. 
    Duis et urna et sem ultricies rhoncus fermentum vitae est.
</div>

Specifications

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

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	(Yes)-webkit 50.0^[1]	(Yes)	3.5 (1.9.1)-moz 52.0 (52.0)^[2]	10	11.10	3.0 (522)-webkit
Unprefixed		(Yes)

Feature	Android	Android Webview	Edge	Firefox Mobile (Gecko)	IE Phone	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	?	? 50.0^[1]	(Yes)	(Yes) 52.0 (52.0)^[2]	?	?	?	? 50.0^[1]
Unprefixed	No support		(Yes)

[1] Unprefixed as of Chrome 50.

[2] Unprefixed as of Gecko 52, with prefixed aliases still available.