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+---
+title: background-blend-mode
+slug: Web/CSS/background-blend-mode
+translation_of: Web/CSS/background-blend-mode
+---
+<p>{{CSSRef()}}</p>
+
+<h2 id="Summary" name="Summary">概述</h2>
+
+<p><code>background-blend-mode</code> CSS属性定义该元素的背景图片，以及背景色如何混合。</p>
+
+<p>混合模式应该按{{cssxref("background-image")}} CSS属性同样的顺序定义。如果混合模式数量与背景图像的数量不相等，它会被截取至相等的数量。</p>
+
+<p>{{cssinfo}}</p>
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="twopartsyntaxbox"><code>Formal syntax:  {{csssyntax("background-blend-mode")}}</code></pre>
+
+<pre>/* 单值 */
+background-blend-mode: normal;
+
+/* 双值，每个背景一个值 */
+background-blend-mode: darken, luminosity;
+
+background-blend-mode: initial;
+background-blend-mode: inherit;
+background-blend-mode: unset;
+</pre>
+
+<h3 id="Values" name="Values"><span style="font-style: inherit;">值</span></h3>
+
+<h3 id="Values" name="Values"><span style="font-family: consolas,monaco,andale mono,monospace; font-size: 14px; font-style: inherit; line-height: 1.5;">&lt;blend-mode&gt;</span></h3>
+
+<dl>
+ <dd>一个{{cssxref("&lt;blend-mode&gt;")}}定义混合的模式，可以有多个值，用逗号间隔。</dd>
+</dl>
+
+<h2 id="Examples" name="Examples">示例</h2>
+
+<pre class="brush: html" style="display: none;">&lt;div id="div"&gt;&lt;/div&gt;
+&lt;select id="select"&gt;
+    &lt;option&gt;normal&lt;/option&gt;
+    &lt;option&gt;multiply&lt;/option&gt;
+    &lt;option selected&gt;screen&lt;/option&gt;
+    &lt;option&gt;overlay&lt;/option&gt;
+    &lt;option&gt;darken&lt;/option&gt;
+    &lt;option&gt;lighten&lt;/option&gt;
+    &lt;option&gt;color-dodge&lt;/option&gt;
+    &lt;option&gt;color-burn&lt;/option&gt;
+    &lt;option&gt;hard-light&lt;/option&gt;
+    &lt;option&gt;soft-light&lt;/option&gt;
+    &lt;option&gt;difference&lt;/option&gt;
+    &lt;option&gt;exclusion&lt;/option&gt;
+    &lt;option&gt;hue&lt;/option&gt;
+    &lt;option&gt;saturation&lt;/option&gt;
+    &lt;option&gt;color&lt;/option&gt;
+    &lt;option&gt;luminosity&lt;/option&gt;
+&lt;/select&gt;</pre>
+
+<pre class="brush: css" style="display: none;">#div {
+    width: 300px;
+    height: 300px;
+    background: url('https://mdn.mozillademos.org/files/8543/br.png'),url('https://mdn.mozillademos.org/files/8545/tr.png');
+    background-blend-mode: screen;
+}</pre>
+
+<pre class="brush: js" style="display: none;">document.getElementById("select").onchange = function(event) {
+    document.getElementById("div").style.backgroundBlendMode = document.getElementById("select").selectedOptions[0].innerHTML;
+}
+console.log(document.getElementById('div'));</pre>
+
+<p>{{ EmbedLiveSample('Examples', "330", "330") }}</p>
+
+<h2 id="Specifications" name="Specifications">规范</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">备注</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{ SpecName('Compositing', '#background-blend-mode', 'background-blend-mode') }}</td>
+   <td>{{ Spec2('Compositing') }}</td>
+   <td>首次定义</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</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>35</td>
+   <td>{{CompatGeckoDesktop('30.0')}}</td>
+   <td>{{CompatNo()}}</td>
+   <td>22</td>
+   <td>7.1</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 Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo()}}</td>
+   <td>{{CompatGeckoMobile('30.0')}}</td>
+   <td>{{CompatNo()}}</td>
+   <td>22</td>
+   <td>iOS 8</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also" name="See_also">参见</h2>
+
+<ul>
+ <li>{{cssxref("&lt;blend-mode&gt;")}}</li>
+ <li>{{cssxref("mix-blend-mode")}}</li>
+</ul>