---
title: '::grammar-error'
slug: 'Web/CSS/::grammar-error'
translation_of: 'Web/CSS/::grammar-error'
---
<div>{{CSSRef}}{{SeeCompatTable}}</div>

<p><code>::grammar-error伪元素应用于浏览器标识为语法错误的文本段</code></p>

<p>只有一小部分的css能够应用在<code>::grammar-error的选择器中</code></p>

<ul>
 <li>{{cssxref("color")}}</li>
 <li>{{cssxref("background-color")}}</li>
 <li>{{cssxref("cursor")}}</li>
 <li>{{cssxref("text-emphasis-color")}}</li>
 <li>{{cssxref("text-shadow")}}</li>
 <li>{{cssxref("outline")}} and its longhands</li>
 <li>{{cssxref("text-decoration")}} and its associated properties</li>
</ul>

<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('CSS4 Pseudo-Elements', '#selectordef-grammar-error', '::grammar-error')}}</td>
   <td>{{Spec2('CSS4 Pseudo-Elements')}}</td>
   <td>Initial definition</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</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

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

<h2 id="See_also">See also</h2>

<ul>
 <li>{{cssxref("::spelling-error")}}</li>
</ul>