left

  • Revision slug: CSS/left
  • Revision title: left
  • Revision id: 238597
  • Created:
  • Creator: teoli
  • Is current revision? No
  • Comment

Revision Content

{{ CSSRef() }}

Summary

The left CSS property specifies part of the position of positioned elements.

For absolutely positioned elements (those with {{ Cssxref("position") }}: absolute or position: fixed), it specifies the distance between the left margin edge of the element and the left edge of its containing block.

  • {{ Xref_cssinitial() }}: {{ Cssxref("auto") }}
  • Applies to: positioned elements
  • {{ Xref_cssinherited() }}: no
  • Percentages: refer to width of containing block
  • Media: {{ Xref_cssvisual() }}
  • {{ Xref_csscomputed() }}: absolute length, percentage, or auto

Syntax

left: <length> | <percentage> | auto | inherit ;

Values

{{ Xref_csslength() }} 
A length, can be negative, zero, or positive.
{{ Xref_csspercentage() }} 
A percentage of the containing block's width.

Examples

{{ CSSLiveSample("css-positioning.html") }}

#example_3 {
  width: 600px;
  height: 400px;
  background-color: #FFC7E4;
  position: relative;
  top: 20px;
  left: 20px;
}

#example_4 {
  width:200px;
  height:200px;
  background-color: #FFD7C2;
  position:absolute;
  bottom:10px;
  right: 20px;
}

Specifications

Specification Status Comment
CSS Positioned Layout Module Level 3 {{ Spec2('CSS3 Positioning') }}  
CSS 2.1 {{ Spec2('CSS2.1') }}  

Browser compatibility

{{ CompatibilityTable() }}

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1.0 {{ CompatGeckoDesktop("1") }} 5.5 5.0 1.0
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:Position() }}

Revision Source

<p>{{ CSSRef() }}</p>
<h2 id="Summary" name="Summary">Summary</h2>
<p>The <code>left</code> CSS property specifies part of the position of positioned elements.</p>
<p>For absolutely positioned elements (those with {{ Cssxref("position") }}<code>: absolute</code> or <code>position: fixed</code>), it specifies the distance between the left margin edge of the element and the left edge of its containing block.</p>
<ul class="cssprop">
  <li><dfn>{{ Xref_cssinitial() }}:</dfn> {{ Cssxref("auto") }}</li>
  <li><dfn>Applies to:</dfn> <a href="/en/CSS/position" title="en/CSS/position">positioned elements</a></li>
  <li><dfn>{{ Xref_cssinherited() }}:</dfn> no</li>
  <li><dfn>Percentages:</dfn> refer to width of containing block</li>
  <li><dfn>Media:</dfn> {{ Xref_cssvisual() }}</li>
  <li><dfn>{{ Xref_csscomputed() }}:</dfn> absolute length, percentage, or auto</li>
</ul>
<h2 id="Syntax" name="Syntax">Syntax</h2>
<pre class="eval">left: &lt;length&gt; | &lt;percentage&gt; | auto | inherit ;
</pre>
<h3 id="Values" name="Values">Values</h3>
<dl>
  <dt>
    {{ Xref_csslength() }} </dt>
  <dd>
    A length, can be negative, zero, or positive.</dd>
  <dt>
    {{ Xref_csspercentage() }} </dt>
  <dd>
    A percentage of the containing block's width.</dd>
</dl>
<h2 id="Examples" name="Examples">Examples</h2>
<p>{{ CSSLiveSample("css-positioning.html") }}</p>
<pre class="brush: css">#example_3 {
  width: 600px;
  height: 400px;
  background-color: #FFC7E4;
  position: relative;
  top: 20px;
  left: 20px;
}

#example_4 {
  width:200px;
  height:200px;
  background-color: #FFD7C2;
  position:absolute;
  bottom:10px;
  right: 20px;
}</pre>
<h2 id="Specifications" name="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><a class="external" href="http://dev.w3.org/csswg/css3-images/#repeating-gradients" title="http://dev.w3.org/csswg/css3-images/#repeating-gradients">CSS Positioned Layout Module Level 3</a></td>
      <td>{{ Spec2('CSS3 Positioning') }}</td>
      <td> </td>
    </tr>
    <tr>
      <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-left" title="http://www.w3.org/TR/CSS21/visuren.html#propdef-left">CSS 2.1</a></td>
      <td>{{ Spec2('CSS2.1') }}</td>
      <td> </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</th>
      </tr>
      <tr>
        <td>Basic support</td>
        <td>1.0</td>
        <td>{{ CompatGeckoDesktop("1") }}</td>
        <td>5.5</td>
        <td>5.0</td>
        <td>1.0</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:Position() }}</li>
</ul>
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