---
title: margin-bottom
slug: Web/CSS/margin-bottom
translation_of: Web/CSS/margin-bottom
---
<div>{{CSSRef()}}</div>

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

<p><img alt="The effect of the CSS margin-bottom property on the element box" src="/files/4045/margin-bottom.svg" style="border: 1px solid; float: left; height: 130px; margin-bottom: 1em; margin-right: 1em; padding-right: 0.5em; width: 400px;"><span class="seoSummary">El <code>margin-bottom</code> <a href="/en-US/docs/CSS" title="CSS">CSS</a>  (<em>margen-inferior</em>) es la propiedad de un elemento que establece el espacio requerido en la parte inferior de un elemento. Tambien se permiten valores negativos.</span></p>

<p><span class="seoSummary">Esta propiedad no tiene ningun efecto sobre los elementos en linea <em>non-replaced</em> , como {{HTMLElement("tt")}} o {{HTMLElement("span")}}.</span></p>

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

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

<pre class="twopartsyntaxbox"><a href="/en-US/docs/CSS/Value_definition_syntax" title="CSS/Value_definition_syntax">Formal syntax</a>: {{csssyntax("margin-bottom")}}</pre>

<pre>margin-bottom: 10px;        /* Una longitud absoluta (sin redimension) */
margin-bottom: 1em;         /* Una longitud en relacion con el tamaño del texto */
margin-bottom: 5%;          /* Un margen respecto al ancho de su objeto padre (el que lo contiene)  */
margin-bottom: auto;

margin-bottom: inherit; /*margen heredado*/
</pre>

<h3 id="Values" name="Values">Values</h3>

<dl>
 <dt><code>&lt;length&gt;</code></dt>
 <dd>Specifies a fixed width. See {{cssxref("&lt;length&gt;")}} for possible values.</dd>
 <dt><code>&lt;percentage&gt;</code></dt>
 <dd>A {{cssxref("&lt;percentage&gt;")}} always relative to the <strong>width</strong> of the containing block.</dd>
 <dt><code>auto</code></dt>
 <dd>See {{cssxref("margin")}}.</dd>
</dl>

<h2 id="Examples" name="Examples">Examples</h2>

<pre class="brush:css;">.content { margin-bottom:   5%; }
.sidebox { margin-bottom: 10px; }
.logo    { margin-bottom: -5px; }
#header  { margin-bottom:  1em; }
</pre>

<div><a href="https://jsfiddle.net/V3hrF">Ver en el JSFiddle</a></div>

<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 Box', '#the-margin', 'margin-bottom')}}</td>
   <td>{{Spec2('CSS3 Box')}}</td>
   <td>No significant change.</td>
  </tr>
  <tr>
   <td>{{SpecName('CSS3 Transitions', '#animatable-css', 'margin-bottom')}}</td>
   <td>{{Spec2('CSS3 Transitions')}}</td>
   <td>Defines <code>margin-bottom</code> as animatable.</td>
  </tr>
  <tr>
   <td>{{SpecName('CSS2.1', 'box.html#margin-properties', 'margin-bottom')}}</td>
   <td>{{Spec2('CSS2.1')}}</td>
   <td>Removes its effect on inline elements.</td>
  </tr>
  <tr>
   <td>{{SpecName('CSS1', '#margin-bottom', 'margin-bottom')}}</td>
   <td>{{Spec2('CSS1')}}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_Compatibility" name="Browser_Compatibility">Browser compatibility</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 (WebKit)</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>1.0</td>
   <td>{{CompatGeckoDesktop("1")}}</td>
   <td>3.0</td>
   <td>3.5</td>
   <td>1.0 (85)</td>
  </tr>
  <tr>
   <td><code>auto</code> value</td>
   <td>1.0</td>
   <td>{{CompatGeckoDesktop("1")}}</td>
   <td>6.0 (strict mode)</td>
   <td>3.5</td>
   <td>1.0 (85)</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Phone</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>1.0</td>
   <td>{{CompatGeckoMobile("1")}}</td>
   <td>6.0</td>
   <td>6.0</td>
   <td>1.0</td>
  </tr>
 </tbody>
</table>
</div>