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Summary
The columns CSS property is a shorthand property allowing to set both the column-width and the column-count properties at the same time.
Initial value as each of the properties of the shorthand:
column-width: auto
column-count: auto
Applies to non-replaced block elements (except table elements), table-cell or inline-block elements
Inherited no
Media visual
Computed value as each of the properties of the shorthand:
column-width: the absolute length, zero or larger
column-count: as specified
Animatable as each of the properties of the shorthand:
column-width: yes, as a length
column-count: yes, as an integer
Canonical order order of appearance in the formal grammar of the values
Syntax
columns: 1em;
columns: 1;
columns: auto;
columns: 1 auto;
columns: auto 12em;
columns: auto auto;
Values
<'column-width'>
Is a <length> value giving a hint of the optimal width of the column. The actual column width may be wider (to fill the available space), or narrower (only if the available space is smaller than the specified column width). The length must be strictly positive or the declaration is invalid.
