1 files changed, 125 insertions, 0 deletions
diff --git a/files/zh-cn/web/css/animation-duration/index.html b/files/zh-cn/web/css/animation-duration/index.html
new file mode 100644
index 0000000000..13493d5151
--- /dev/null
+++ b/files/zh-cn/web/css/animation-duration/index.html
@@ -0,0 +1,125 @@
+---
+title: animation-duration
+slug: Web/CSS/animation-duration
+tags:
+  - CSS
+  - CSS Animations
+  - CSS Property
+  - Experimental
+  - Reference
+translation_of: Web/CSS/animation-duration
+---
+<div>{{ CSSRef() }}{{ SeeCompatTable() }}</div>
+
+<h2 id="概述">概述</h2>
+
+<p><code>animation-duration</code>属性指定一个动画周期的时长。</p>
+
+<p>默认值为0s，表示无动画。</p>
+
+<p>使用简写属性{{cssxref("animation")}}很方便地同时设置所有的动画属性。</p>
+
+<p>{{cssinfo}}</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="twopartsyntaxbox notranslate"><a href="/en-US/docs/CSS/Value_definition_syntax" title="/en-US/docs/CSS/Value_definition_syntax">Formal syntax</a>: {{csssyntax("animation-duration")}}
+</pre>
+
+<pre class="notranslate">animation-duration: 6s
+animation-duration: 120ms
+animation-duration: 1s, 15s
+animation-duration: 10s, 30s, 230ms
+</pre>
+
+<h3 id="值">值</h3>
+
+<dl>
+ <dt><code>&lt;time&gt;</code></dt>
+ <dd>一个动画周期的时长，单位为秒(s)或者毫秒(ms)，无单位值无效。</dd>
+</dl>
+
+<div class="note"><strong>注意：</strong>负值无效，浏览器会忽略该声明，但是一些早期的带前缀的声明会将负值当作0s。</div>
+
+<h2 id="示例">示例</h2>
+
+<p>See <a href="/en/CSS/CSS_animations" title="en/CSS/CSS_animations">CSS animations</a> for examples.</p>
+
+<h2 id="Specifications" name="Specifications">标准</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 Animations', '#animation-duration', 'animation-duration') }}</td>
+   <td>{{ Spec2('CSS3 Animations') }}</td>
+   <td></td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_Compatibility" name="Browser_Compatibility">浏览器兼容</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>3.0{{ property_prefix("-webkit") }}</td>
+   <td>{{ CompatGeckoDesktop("5.0") }}{{ property_prefix("-moz") }}<br>
+    {{ CompatGeckoDesktop("16.0") }}</td>
+   <td>10</td>
+   <td>12{{ property_prefix("-o") }}<br>
+    12.10 <a href="http://my.opera.com/ODIN/blog/2012/08/03/a-hot-opera-12-50-summer-time-snapshot" title="http://my.opera.com/ODIN/blog/2012/08/03/a-hot-opera-12-50-summer-time-snapshot">#</a></td>
+   <td>4.0{{ 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>2.0{{ property_prefix("-webkit") }}</td>
+   <td>{{ CompatGeckoMobile("5.0") }}{{ property_prefix("-moz") }}<br>
+    {{ CompatGeckoMobile("16.0") }}</td>
+   <td>{{ CompatNo() }}</td>
+   <td>{{ CompatNo() }}</td>
+   <td>4.2{{ property_prefix("-webkit") }}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/CSS/Tutorials/Using_CSS_animations" title="Tutorial about CSS animations">Using CSS animations</a></li>
+ <li>{{ domxref("AnimationEvent", "AnimationEvent") }}</li>
+</ul>