column-rule-style

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2017.

column-rule-style は CSS のプロパティで、段組みレイアウトで段の間に引かれる線 (段間罫) のスタイルを設定します。

試してみましょう

構文

css
/* <'border-style'> の値 */
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;

/* グローバル値 */
column-rule-style: inherit;
column-rule-style: initial;
column-rule-style: revert;
column-rule-style: unset;

column-rule-style プロパティは、単一の <'border-style'> 値で指定します。

値

<'border-style'>

border-style で定義されているキーワードで、段間罫のスタイルを指定します。スタイルは collasped の境界線モデルで解釈されます。

公式定義

初期値none
適用対象段組み要素
継承なし
計算値指定通り
アニメーションの種類離散値

形式文法

column-rule-style = 
  <line-style-list>       |
  <auto-line-style-list>  

<line-style-list> = 
  [ <line-style-or-repeat> ]+  

<auto-line-style-list> = 
  [ <line-style-or-repeat> ]* <auto-repeat-line-style> [ <line-style-or-repeat> ]*  

<line-style-or-repeat> = 
  <line-style>         |
  <repeat-line-style>  

<auto-repeat-line-style> = 
  repeat( auto , [ <line-style> ]+ )  

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

<repeat-line-style> = 
  repeat( [ <integer [1,∞]> ] , [ <line-style> ]+ )

例

破線の段間罫を設定

HTML

html
<p>
  This is a bunch of text split into three columns. The `column-rule-style`
  property is used to change the style of the line that is drawn between
  columns. Don't you think that's wonderful?
</p>

CSS

css
p {
  column-count: 3;
  column-rule-style: dashed;
}

結果

仕様書

Specification
CSS Multi-column Layout Module Level 1
# crs

ブラウザーの互換性

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関連情報