widows - CSS（层叠样式表）编辑

CSS属性 widows 可以用来设置一个块级容器在新的分页，区域或者列的顶部需要结合在一起的最小行数。

/* <integer> values */
widows: 2;
widows: 3;

/* Global values */
widows: inherit;
widows: initial;
widows: unset;

在排版中，widow 指的是在新页面顶部单独出现的段落的最后一行。（这一行来自于上一个页面的段落）

语法

值

<integer>: 在一个片段打断后，新的片段顶部需要结合在一起的最小行数。该值必须为正值。

Formal definition

初始值	`2`
适用元素	block container elements
是否是继承属性	yes
计算值	as specified
Animation type	discrete

Formal syntax

<integer>

示例

控制列布局中的 widows

HTML

<div>
  <p>This is the first paragraph containing some text.</p>
  <p>This is the second paragraph containing some more text than the first one. It is used to demonstrate how widows work.</p>
  <p>This is the third paragraph. It has a little bit more text than the first one.</p>
</div>

CSS

div {
  background-color: #8cffa0;
  columns: 3;
  widows: 2;
}

p {
  background-color: #8ca0ff;
}

p:first-child {
  margin-top: 0;
}

结果

规范

Specification	Status	Comment
CSS Fragmentation Module Level 3 widows	Candidate Recommendation	Extends `widows` to apply to any type of fragment, including pages, regions, or columns.
CSS Multi-column Layout Module widows	Working Draft	Recommendations to consider `widows` in relation to columns.
CSS Level 2 (Revision 1) widows	Recommendation	Initial definition.

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