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---
title: '::-webkit-progress-inner-element'
slug: 'Web/CSS/::-webkit-progress-inner-element'
tags:
  - CSS
  - 伪元素
  - 非标准
translation_of: 'Web/CSS/::-webkit-progress-inner-element'
---
<div>{{CSSRef}}{{Non-standard_header}}</div>

<p><strong><code>::-webkit-progress-inner-element</code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> 伪元素选择了 {{HTMLElement("progress")}} 元素。他是 {{cssxref("::-webkit-progress-bar")}} 伪元素的父元素。</p>

<div class="note">
<p><strong>注意:</strong> 为了使 <code>::-webkit-progress-value</code> 生效, <code>&lt;progress&gt;</code> 元素的{{cssxref("-webkit-appearance")}} 需要设置为 <code>none</code> 。</p>
</div>

<h2 id="例子">例子</h2>

<h3 id="HTML">HTML</h3>

<pre class="brush: html notranslate">&lt;progress value="10" max="50"&gt;
</pre>

<h3 id="CSS">CSS</h3>

<pre class="brush: css notranslate">progress {
  -webkit-appearance: none;
}

::-webkit-progress-inner-element {
  border: 2px solid black;
}
</pre>

<h3 id="Result">Result</h3>

<p>{{EmbedLiveSample("Example", 200, 50)}}</p>

<p>应用了上述样式的进度条如下:</p>

<p><img alt="" src="https://mdn.mozillademos.org/files/13492/-webkit-progress-inner-element%20example.png"></p>

<h2 id="规范">规范</h2>

<p>不属于任何规范。这是WebKit/Blink专有的一个伪元素。</p>

<h2 id="浏览器兼容性">浏览器兼容性</h2>



<p>{{Compat("css.selectors.-webkit-progress-inner-element")}}</p>

<h2 id="参考">参考</h2>

<ul>
 <li>The pseudo-elements used by WebKit/Blink to style other parts of a {{HTMLElement("progress")}} element:
  <ul>
   <li>{{cssxref("::-webkit-progress-bar")}}</li>
   <li>{{cssxref("::-webkit-progress-value")}}</li>
  </ul>
 </li>
 <li>{{cssxref("::-moz-progress-bar")}}</li>
 <li>{{cssxref("::-ms-fill")}}</li>
</ul>