files/es/web/css/@media/width/index.html


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---
title: width
slug: Web/CSS/@media/width
translation_of: Web/CSS/@media/width
---
<div>{{cssref}}</div>

<p>El <strong><code>width</code></strong> <a href="/en-US/docs/CSS">CSS</a> {{cssxref("@media")}} media caracteristica puede ser usada para aplicar estilos basados en el ancho  de el  {{glossary("viewport")}} (o la caja de la pagina, para <a href="/en-US/docs/Web/CSS/Paged_media">paged media</a>).</p>

<h2 id="Syntax">Syntax</h2>

<p>La característica <code>width</code> es especificada como {{cssxref("&lt;length&gt;")}} valor que representa el ancho de la ventana gráfica. Es una función de rango, lo que significa que también puede usar el prefijo <strong><code>min-width</code></strong> and <code><strong>max-width</strong></code> variantes para consultar valores mínimos y máximos, respectivamente.</p>

<h2 id="Example">Example</h2>

<h3 id="HTML">HTML</h3>

<pre class="brush: html">&lt;div&gt;Watch this element as you resize your viewport's width.&lt;/div&gt;</pre>

<h3 id="CSS">CSS</h3>

<pre class="brush: css">/* Exact width */
@media (width: 360px) {
  div {
    color: red;
  }
}

/* Minimum width */
@media (min-width: 35rem) {
  div {
    background: yellow;
  }
}

/* Maximum width */
@media (max-width: 50rem) {
  div {
    border: 2px solid blue;
  }
}
</pre>

<h3 id="Result">Result</h3>

<p>{{EmbedLiveSample('Example','90%')}}</p>

<h2 id="Specificaciones">Specificaciones</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('CSS4 Media Queries', '#width', 'width')}}</td>
   <td>{{Spec2('CSS4 Media Queries')}}</td>
   <td>The value can now be negative, in which case it computes to false.</td>
  </tr>
  <tr>
   <td>{{SpecName('CSS3 Media Queries', '#width', 'width')}}</td>
   <td>{{Spec2('CSS3 Media Queries')}}</td>
   <td>Initial definition. The value must be nonnegative.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility" name="Browser_compatibility">Navegadores Compatibles</h2>

<p>{{ CompatibilityTable() }}</p>

<div id="compat-desktop">
<table class="compat-table" style="height: 117px; width: 561px;">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>
    <p>Firefox (Gecko)</p>
   </th>
   <th>Internet Explorer</th>
   <th>Edge</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatVersionUnknown() }}</td>
   <td>{{ CompatVersionUnknown() }}</td>
   <td>9.0</td>
   <td>14+</td>
   <td>{{ CompatVersionUnknown() }}</td>
   <td>{{ CompatVersionUnknown() }}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table" style="height: 91px; width: 499px;">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>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>56+</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>9.3+</td>
  </tr>
 </tbody>
</table>
</div>