margin-bottom

  • Revision slug: CSS/margin-bottom
  • Revision title: margin-bottom
  • Revision id: 356817
  • Created:
  • Creator: teoli
  • Is current revision? No
  • Comment

Revision Content

{{CSSRef()}}

Summary

The effect of the CSS margin-bottom property on the element boxThe margin-bottom CSS property of an element sets the margin space required on the bottom of an element. A negative value is also allowed.

  • {{Xref_cssinitial()}} {{cssinitial("margin-bottom")}}
  • Applies to all elements except those with table display types other than table-caption, table, and inline-table
  • {{Xref_cssinherited()}} no
  • Percentages refer to {{Cssxref("width")}} of closest block-level ancestor
  • Media {{Xref_cssvisual()}}
  • {{xref_cssanimatable()}} {{Xref_cssanimatablebutauto()}}
  • {{Xref_csscomputed()}} the percentage as specified or the absolute length

Syntax

Formal syntax: {{csssyntax("margin-bottom")}}
margin-bottom: 10px;        /* An absolute length */
margin-bottom: 1em;         /* A length relative to the text size */
margin-bottom: 5%;          /* A margin relative to the nearest block container's width */
margin-bottom: auto;

margin-bottom: inherit;

Values

<length>
Specifies a fixed width. See {{xref_csslength()}} for possible values.
<percentage>
A {{xref_csspercentage()}} always relative to the width of the containing block.
auto
See {{cssxref("margin")}}.

Examples

.content { margin-bottom:   5%; }
.sidebox { margin-bottom: 10px; }
.logo    { margin-bottom: -5px; }
#header  { margin-bottom:  1em; }
{{JSFiddleLink("V3hrF")}}

Specifications

Specification Status Comment
{{SpecName('CSS3 Box', '#the-margin', 'margin-bottom')}} {{Spec2('CSS3 Box')}} No significant change.
{{SpecName('CSS3 Transitions', '#animatable-css', 'margin-bottom')}} {{Spec2('CSS3 Transitions')}} Defines margin-bottom as animatable.
{{SpecName('CSS2.1', 'box.html#margin-properties', 'margin-bottom')}} {{Spec2('CSS2.1')}} Removes its effect on inline elements.
{{SpecName('CSS1', '#margin-bottom', 'margin-bottom')}} {{Spec2('CSS1')}} Initial definition.

Browser compatibility

{{CompatibilityTable()}}

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 1.0 {{CompatGeckoDesktop("1")}} 3.0 3.5 1.0 (85)
auto value 1.0 {{CompatGeckoDesktop("1")}} 6.0 (strict mode) 3.5 1.0 (85)
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 1.0 {{CompatGeckoMobile("1")}} 6.0 6.0 1.0

See also

  • {{CSS_Reference:Margin()}}

Revision Source

<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="width: 400px; height: 130px; border: 1px solid; margin-right: 1em; margin-bottom: 1em; padding-right: 0.5em; float: left;" />The <code>margin-bottom</code> <a href="/en-US/docs/CSS" title="CSS">CSS</a> property of an element sets the margin space required on the bottom of an element. A negative value is also allowed.</p>
<ul class="cssprop">
  <li><dfn>{{Xref_cssinitial()}}</dfn> {{cssinitial("margin-bottom")}}</li>
  <li><dfn>Applies to</dfn> all elements except those with table display types other than <code>table-caption</code>, <code>table</code>, and <code>inline-table</code></li>
  <li><dfn>{{Xref_cssinherited()}}</dfn> no</li>
  <li><dfn>Percentages</dfn> refer to {{Cssxref("width")}} of closest block-level ancestor</li>
  <li><dfn>Media</dfn> {{Xref_cssvisual()}}</li>
  <li><dfn>{{xref_cssanimatable()}}</dfn> {{Xref_cssanimatablebutauto()}}</li>
  <li><dfn>{{Xref_csscomputed()}}</dfn> the percentage as specified or the absolute length</li>
</ul>
<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;        /* An absolute length */
margin-bottom: 1em;         /* A length relative to the text size */
margin-bottom: 5%;          /* A margin relative to the nearest block container's width */
margin-bottom: auto;

margin-bottom: inherit;
</pre>
<h3 id="Values" name="Values">Values</h3>
<dl>
  <dt>
    <code>&lt;length&gt;</code></dt>
  <dd>
    Specifies a fixed width. See {{xref_csslength()}} for possible values.</dd>
  <dt>
    <code>&lt;percentage&gt;</code></dt>
  <dd>
    A {{xref_csspercentage()}} 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>
  {{JSFiddleLink("V3hrF")}}</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>
<h2 id="See_also">See also</h2>
<ul>
  <li>{{CSS_Reference:Margin()}}</li>
</ul>
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