The column-width property describes the optimal column width. 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).

  • Initial valueauto
  • Applies toBlock level elements
  • InheritedNo
  • MediaVisual
  • Computed valueThe absolute length, zero or larger
  • AnimatableNo
  • CSS VersionCSS3
  • JavaScript
Formal syntax: <length> | auto

column-width: 50px;
column-width: 20em;
column-width: auto;
  • <length>A floating-point number, followed by either an absolute units designator (cm, mm, in, pt, or pc) or a relative units designator (em, ex, or px), that indicates the optimal width.
  • autoIs a keyword indicating that the width of the column should be determined by other CSS properties, like column-count.
.class {
   column-width: 150px;

Last updated on 23rd March 2014 By Rene Spronk

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