---
title: transform-box
slug: Web/CSS/transform-box
translation_of: Web/CSS/transform-box
---
<div>{{CSSRef}}{{SeeCompatTable}}</div>

<h2 id="概述">概述</h2>

<p><strong><code>transform-box</code></strong>属性定义了与 {{cssxref("transform")}}、{{cssxref("transform-origin")}} 这两个属性有关联的布局框。</p>

<p>{{cssinfo}}</p>

<h2 id="语法">语法</h2>

<pre class="brush: css">/* Keyword values */
transform-box: border-box;
transform-box: fill-box;
transform-box: view-box;

/* Global values */
transform-box: inherit;
transform-box: initial;
transform-box: unset;
</pre>

<p><code>transform-box</code>属性被指定为以下所列出的关键字值之一。</p>

<h3 id="值">值</h3>

<dl>
 <dt><code>border-box</code></dt>
 <dd>border box是用作引用框,一个表格（table）的border-box是table包装盒的边框，而不是表的边框。</dd>
 <dt><code>fill-box</code></dt>
 <dd>Uses the object bounding box as reference box.</dd>
 <dt><code>view-box</code></dt>
 <dd>Uses the nearest {{Glossary("SVG")}} viewport as reference box. If a {{SVGAttr("viewBox")}} attribute is specified for the SVG viewport creating element, the reference box is positioned at the origin of the coordinate system established by the <code>viewBox</code> attribute and the dimension of the reference box is set to the width and height values of the <code>viewBox</code> attribute.</dd>
</dl>

<h3 id="Formal_syntax">Formal syntax</h3>

{{csssyntax}}

<h2 id="Specifications">Specifications</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 Transforms', '#transform-box', 'transform-box')}}</td>
   <td>{{Spec2('CSS3 Transforms')}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>

{{Compat("css.properties.transform-box")}}

<h2 id="See_also">See also</h2>

<ul>
 <li><a href="/en-US/docs/CSS/Using_CSS_transforms" title="/en-US/docs/CSS/Using_CSS_transforms">Using CSS Transforms</a></li>
</ul>