Property Reference - CSS Reference - page 180

Name
columns
Values:
<'column-width'> || <'column-count'>
Initial value:
See individual properties
Applies to:
Nonreplaced block-level elements (except table elements), table cells, and inline-block ele-
ments
Inherited:
No
Computed value:
Same as declared value
Description:
A shorthand property used to define the number and width of the columns in an element laid
out with multiple columns. Omitted values are set to the default values for the corresponding
properties.
Examples:
body {columns: 3 23em;}
div {columns: 200px 5;}