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+---
+title: offset
+slug: Web/CSS/offset
+translation_of: Web/CSS/offset
+original_slug: Web/CSS/偏移
+---
+<div>{{SeeCompatTable}}{{CSSRef}}{{draft}}</div>
+
+<p>这个 <strong><code>offset</code></strong> 是CSS属性的快速属性动画元素沿着定义的路径。</p>
+
+<div class="note">
+<p>早期版本 规格 属性叫做 <code>motion</code>.</p>
+</div>
+
+<p>{{cssinfo}}</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: css">/* 偏移位置 */
+offset: auto
+offset: 10px 30px;
+offset: none;
+
+/* 偏移路径 */
+offset: ray(45deg closest-side);
+offset: path(M 100 100 L 300 100 L 200 300 z);
+offset: url(arc.svg);
+
+/*  偏移路径的距离和/或旋转  */
+offset: url(circle.svg) 100px;
+offset: url(circle.svg) 40%;
+offset: url(circle.svg) 30deg;
+offset: url(circle.svg) 50px 20deg;
+
+/*  包括锚偏移  */
+offset: ray(45deg closest-side) / 40px 20px;
+offset: url(arc.svg) 2cm / 0.5cm 3cm;
+offset: url(arc.svg) 30deg / 50px 100px;
+</pre>
+
+<h3 id="语法形式">语法形式</h3>
+
+<pre class="syntaxbox">{{csssyntax}}</pre>
+
+<h2 id="举例">举例</h2>
+
+<h3 id="HTML">HTML</h3>
+
+<pre class="brush: html">&lt;div id="offsetElement"&gt;&lt;/div&gt;
+</pre>
+
+<h3 id="CSS">CSS</h3>
+
+<pre class="brush: css">@keyframes move {
+  from {
+    offset-distance: 0%;
+  }
+
+  to {
+    offset-distance: 100%;
+  }
+}
+
+#offsetElement {
+  width: 50px;
+  height: 50px;
+  background-color: blue;
+  offset: path("M 100 100 L 300 100 L 200 300 z") auto;
+  animation: move 3s linear infinite;
+}
+</pre>
+
+<h3 id="Result">Result</h3>
+
+<p>{{EmbedLiveSample("Example", 350, 350)}}</p>
+
+<h2 id="规格">规格</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th>规格</th>
+   <th>使用状态</th>
+   <th>注释</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Motion Path Level 1', '#offset-shorthand', 'offset')}}</td>
+   <td>{{Spec2('Motion Path Level 1')}}</td>
+   <td>Initial definition</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>该兼容性表生成从该网页的结构化数据。如果你愿意，请查看https://github.com/mdn/browser-compat-数据，并发送一个引入请求。</p>
+
+<p>{{Compat("css.properties.offset")}}</p>