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Revision 352555 of left

  • Revision slug: CSS/left
  • Revision title: left
  • Revision id: 352555
  • Created:
  • Creator: trevorh
  • Is current revision? No
  • Comment Moving to Live samples

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

CSS Content

#wrap {
  width: 700px;
  margin: 0 auto;
  background: #5C5C5C;
}

pre {
  white-space: pre;
  white-space: pre-wrap;
  white-space: pre-line;
  word-wrap: break-word;
}

#example_1 {
  width: 200px;
  height: 200px;
  position: absolute;
  left: 20px;
  top: 20px;
  background-color: #D8F5FF;
}

#example_2 {
  width: 200px;
  height: 200px;
  position: relative;
  top: 0;
  right: 0;
  background-color: #C1FFDB;

}
#example_3 {
  width: 600px;
  height: 400px;
  position: relative;
  top: 20px;
  left: 20px;
  background-color: #FFD7C2;
}

#example_4 {
  width:200px;
  height:200px;
  position:absolute;
  bottom:10px;
  right:20px;
  background-color:#FFC7E4;
}

HTML Content

<div id="wrap">
  <div id="example_1">
    <pre>
      position: absolute;
      left: 20px;
      top: 20px;
    </pre>
    <p>The only containing element for this div is the main window, so it positions itself in relation to it.</p>
  </div>

  <div id="example_2">
    <pre>
      position: relative;
      top: 0;
      right: 0;
    </pre>
    <p>Relative positions itself in relation to its siblings.</p>
  </div>

  <div id="example_3">
    <pre>
      float: right;
      position: relative;
      top: 20px;
      left: 20px;
    </pre>
    <p>Relative to its sibling div above, but removed from flow of content.</p>

    <div id="example_4">
      <pre>
        position: absolute;
        top: 10px;
        left: 20px;
      </pre>
      <p>Absolute position inside of a parent with relative position</p>
    </div>
  </div>
</div>

Live sample

{{ EmbedLiveSample('Examples',1200,650) }}

Specifications

Specification Status Comment
{{ SpecName('CSS3 Transitions', '#animatable-css', 'left') }} {{ Spec2('CSS3 Transitions') }} Defines left as animatable.
{{ SpecName('CSS2.1', 'visuren.html#propdef-left', 'left') }} {{ 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>
<h3 id="CSS_Content">CSS Content</h3>
<pre class="brush: css">
#wrap {
  width: 700px;
  margin: 0 auto;
  background: #5C5C5C;
}

pre {
  white-space: pre;
  white-space: pre-wrap;
  white-space: pre-line;
  word-wrap: break-word;
}

#example_1 {
  width: 200px;
  height: 200px;
  position: absolute;
  left: 20px;
  top: 20px;
  background-color: #D8F5FF;
}

#example_2 {
  width: 200px;
  height: 200px;
  position: relative;
  top: 0;
  right: 0;
  background-color: #C1FFDB;

}
#example_3 {
  width: 600px;
  height: 400px;
  position: relative;
  top: 20px;
  left: 20px;
  background-color: #FFD7C2;
}

#example_4 {
  width:200px;
  height:200px;
  position:absolute;
  bottom:10px;
  right:20px;
  background-color:#FFC7E4;
}</pre>
<h3 id="HTML_Content">HTML Content</h3>
<pre class="brush: html">
&lt;div id="wrap"&gt;
  &lt;div id="example_1"&gt;
    &lt;pre&gt;
      position: absolute;
      left: 20px;
      top: 20px;
    &lt;/pre&gt;
    &lt;p&gt;The only containing element for this div is the main window, so it positions itself in relation to it.&lt;/p&gt;
  &lt;/div&gt;

  &lt;div id="example_2"&gt;
    &lt;pre&gt;
      position: relative;
      top: 0;
      right: 0;
    &lt;/pre&gt;
    &lt;p&gt;Relative positions itself in relation to its siblings.&lt;/p&gt;
  &lt;/div&gt;

  &lt;div id="example_3"&gt;
    &lt;pre&gt;
      float: right;
      position: relative;
      top: 20px;
      left: 20px;
    &lt;/pre&gt;
    &lt;p&gt;Relative to its sibling div above, but removed from flow of content.&lt;/p&gt;

    &lt;div id="example_4"&gt;
      &lt;pre&gt;
        position: absolute;
        top: 10px;
        left: 20px;
      &lt;/pre&gt;
      &lt;p&gt;Absolute position inside of a parent with relative position&lt;/p&gt;
    &lt;/div&gt;
  &lt;/div&gt;
&lt;/div&gt;</pre>
<h3>Live sample</h3>
<p>{{ EmbedLiveSample('Examples',1200,650) }}</p>
<h2 id="Notes" name="Notes">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 Transitions', '#animatable-css', 'left') }}</td>
      <td>{{ Spec2('CSS3 Transitions') }}</td>
      <td>Defines <code>left</code> as animatable.</td>
    </tr>
    <tr>
      <td>{{ SpecName('CSS2.1', 'visuren.html#propdef-left', 'left') }}</td>
      <td>{{ Spec2('CSS2.1') }}</td>
      <td>&nbsp;</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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