The column-span CSS property makes it possible for an element to span across all columns when its value is set to all. An element that spans more than one column is called a spanning element.

Initial valuenone
Applies toin-flow block-level elements
Computed valueas specified
Animation typediscrete
Canonical orderthe unique non-ambiguous order defined by the formal grammar


column-span: none;
column-span: all;

/* Global values */
column-span: inherit;
column-span: initial;
column-span: unset;


The element does not span multiple columns.
The element spans across all columns. Content in the normal flow that appears before the element is automatically balanced across all columns before the element appears. The element establishes a new block formatting context.

Formal syntax

none | all


h1, h2 {
  column-span: all;


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

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes)-webkit (Yes) No support 10 11.10 (Yes) -webkit
Unprefixed 50.0 (Yes)        
Feature Android Android Webview Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support (Yes)-webkit ? (Yes) No support ? 11.10 (Yes)-webkit (Yes)-webkit
Unprefixed No support 50.0 (Yes)         50.0

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 Last updated by: erikadoyle,