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---
title: offset
slug: Web/CSS/偏移
translation_of: Web/CSS/offset
---
<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>