---
title: column-rule-width
slug: Web/CSS/column-rule-width
translation_of: Web/CSS/column-rule-width
---
<p>{{ CSSRef("CSS Multi-columns") }}</p>

<h2 id="Summary">Summary</h2>

<p>CSS 特性 <code>column-rule-width</code> 让你可以设置在多列布局中被画在两列之间的规则（线条）的宽度。</p>

<p>{{cssinfo}}</p>

<h2 id="Syntax" name="Syntax">Syntax</h2>

<pre class="twopartsyntaxbox notranslate"><a href="/en-US/docs/CSS/Value_definition_syntax" title="CSS/Value_definition_syntax">Formal syntax</a>: {{csssyntax("column-rule-width")}}
</pre>

<pre class="notranslate">/* Keyword values */
column-rule-width: thin;
column-rule-width: medium;
column-rule-width: thick;

/* Length values */
column-rule-width: 1px;
column-rule-width: 2.5em;

column-rule-width: inherit;</pre>

<h3 id="Values" name="Values">Values</h3>

<dl>
 <dt>&lt;br-width&gt; </dt>
 <dd>Is a {{cssxref("&lt;length&gt;")}} or one of the <code>thin</code>, <code>medium</code> or <code>thick</code> keyword describing the width of the rule separating two columns.</dd>
</dl>

<h2 id="Examples" name="Examples">Example</h2>

<pre class="brush: css notranslate">#header {column-rule-width: thick;}
</pre>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{ SpecName('CSS3 Multicol', '#crw', 'column-rule-width') }}</td>
   <td>{{ Spec2('CSS3 Multicol') }}</td>
   <td></td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>

<p>{{ CompatibilityTable() }}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari (WebKit)</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatVersionUnknown() }}{{ property_prefix('-webkit') }}</td>
   <td>3.5 (1.9.1){{ property_prefix('-moz') }}</td>
   <td>10</td>
   <td>11.1</td>
   <td>3.0 (522){{ property_prefix('-webkit') }}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Phone</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatVersionUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
  </tr>
 </tbody>
</table>
</div>