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---
title: ':focus'
slug: 'Web/CSS/:focus'
tags:
- CSS
- Layout
- Pseudo-class
- Reference
- Web
translation_of: 'Web/CSS/:focus'
---
<div>{{CSSRef}}</div>
<p>La <a href="/en-US/docs/Web/CSS/Pseudo-classes" title="Pseudo-classes">pseudo-class</a> <a href="/en-US/docs/Web/CSS">CSS</a> <strong><code>:focus</code></strong> representa un element (com ara una entrada de formulari) que ha rebut el focus. Generalment, s'activa quan l'usuari fa clic o toca un element o el selecciona amb la tecla "tab" del teclat.</p>
<pre class="brush: css no-line-numbers">/* Selecciona qualsevol <input> quan s'enfoca */
input:focus {
color: red;
}</pre>
<div class="note">
<p><strong>Nota:</strong> Aquesta pseudo-class s'aplica només a l'element enfocat. Utilitzeu {{cssxref(":focus-within")}} si voleu seleccionar un element que contingui un element enfocat.</p>
</div>
<h2 id="Sintaxi">Sintaxi</h2>
{{csssyntax}}
<h2 id="Exemple">Exemple</h2>
<h3 id="HTML">HTML</h3>
<pre class="brush: html"><input class="red-input" value="I'll be red when focused."><br>
<input class="blue-input" value="I'll be blue when focused."></pre>
<h3 id="CSS">CSS</h3>
<pre class="brush: css">.red-input:focus {
background: yellow;
color: red;
}
.blue-input:focus {
background: yellow;
color: blue;
}</pre>
<h3 id="Resultat">Resultat</h3>
<p>{{EmbedLiveSample('Example')}}</p>
<h2 id="Especificacions">Especificacions</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Especificació</th>
<th scope="col">Estat</th>
<th scope="col">Comentari</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName('HTML WHATWG', 'scripting.html#selector-focus', ':focus')}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td><span class="short_text" id="result_box" lang="ca"><span>Defineix</span> <span>la semàntica</span> <span>específica</span> <span>d'HTML.</span></span></td>
</tr>
<tr>
<td>{{SpecName('CSS4 Selectors', '#focus-pseudo', ':focus')}}</td>
<td>{{Spec2('CSS4 Selectors')}}</td>
<td>Sense canvis</td>
</tr>
<tr>
<td>{{SpecName('CSS3 Selectors', '#the-user-action-pseudo-classes-hover-act', ':focus')}}</td>
<td>{{Spec2('CSS3 Selectors')}}</td>
<td>Sense canvis</td>
</tr>
<tr>
<td>{{SpecName('CSS2.1', 'selector.html#dynamic-pseudo-classes', ':focus')}}</td>
<td>{{Spec2('CSS2.1')}}</td>
<td>Definició inicial</td>
</tr>
</tbody>
</table>
<h2 id="Navegadors_compatibles">Navegadors compatibles</h2>
<p>{{CompatibilityTable}}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Descripció</th>
<th>Chrome</th>
<th>Edge</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Suport bàsic</td>
<td>1.0</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatGeckoDesktop("1")}}</td>
<td>8.0</td>
<td>7.0</td>
<td>1.0</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Descripció</th>
<th>Android</th>
<th>Edge</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Suport bàsic</td>
<td>1.0</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatGeckoMobile("1")}}</td>
<td>8.0</td>
<td>6.0</td>
<td>1.0</td>
</tr>
</tbody>
</table>
</div>
<h2 id="Vegeu_també">Vegeu també</h2>
<ul>
<li>{{cssxref(":focus-within")}}</li>
</ul>
|
