---
title: user-zoom
slug: Web/CSS/@viewport/user-zoom
translation_of: Web/CSS/@viewport
---
<div>{{ CSSRef }}</div>

<h2 id="Summary" name="Summary">Введение</h2>

<p>The <code>user-zoom</code> <a href="/en-US/docs/Web/CSS">CSS</a> descriptor controls whether or not the user should be able to change the zoom factor of a document defined by {{cssxref("@viewport")}}.</p>

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

<h2 id="Синтаксис">Синтаксис</h2>

<pre class="brush:css">/* Keyword values */
user-zoom: zoom;
user-zoom: fixed;
</pre>

<h3 id="Значения">Значения</h3>

<dl>
 <dt><code>zoom</code></dt>
 <dd>The user can zoom in or out.</dd>
 <dt><code>fixed</code></dt>
 <dd>The user cannot zoom in or out.</dd>
</dl>

<h3 id="Формальный_синтаксис">Формальный синтаксис</h3>

<pre class="syntaxbox">{{csssyntax}}</pre>

<h2 id="Specifications" name="Specifications">Спецфикации</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Спецфикации</th>
   <th scope="col">Статус</th>
   <th scope="col">Комментарий</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('CSS3 Device', '#the-lsquouser-zoomrsquo-descriptor', '"user-zoom" descriptor')}}</td>
   <td>{{Spec2('CSS3 Device')}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="Совместимость_с_браузерами">Совместимость с браузерами</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>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Chrome for 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>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
  </tr>
 </tbody>
</table>
</div>

<p> </p>