---
title: padding-inline-start
slug: Web/CSS/padding-inline-start
translation_of: Web/CSS/padding-inline-start
---
<div>{{CSSRef}}{{SeeCompatTable}}</div>

<h2 id="概要">概要</h2>

<p>The<strong> <code>padding-inline-start</code></strong> <a href="/en-US/docs/Web/CSS" title="CSS">CSS</a> property defines the logical inline start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation. It corresponds to the {{cssxref("padding-top")}}, {{cssxref("padding-right")}}, {{cssxref("padding-bottom")}}, or {{cssxref("padding-left")}} property depending on the values defined for {{cssxref("writing-mode")}}, {{cssxref("direction")}}, and {{cssxref("text-orientation")}}.</p>

<p>It relates to {{cssxref("padding-block-start")}}, {{cssxref("padding-block-end")}}, and {{cssxref("padding-inline-end")}}, which define the other paddings of the element.</p>

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

<h2 id="句法">句法</h2>

<pre class="brush:css">/* &lt;length&gt; values */
padding-inline-start: 10px;   /* An absolute length */
padding-inline-start: 1em;    /* A length relative to the text size */

/* &lt;percentage&gt; value */
padding-inline-start: 5%;     /* A padding relative to the block container's width */

/* Global values */
padding-inline-start: inherit;
padding-inline-start: initial;
padding-inline-start: unset;
</pre>

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

<p>The <code>padding-inline-start</code> property takes the same values as the {{cssxref("padding-left")}} property.</p>

<h3 id="Formal_syntax">Formal syntax</h3>

<pre class="syntaxbox">{{csssyntax}}</pre>

<h2 id="范例">范例</h2>

<h3 id="HTML_Content">HTML Content</h3>

<pre class="brush: html">&lt;div&gt;
  &lt;p class="exampleText"&gt;Example text&lt;/p&gt;
&lt;/div&gt;
</pre>

<h3 id="CSS_Content">CSS Content</h3>

<pre class="brush: css">div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-lr;
  padding-inline-start: 20px;
  background-color: #C8C800;
}</pre>

<p>{{EmbedLiveSample("Example", 140, 140)}}</p>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">规范</th>
   <th scope="col">状态</th>
   <th scope="col">注释</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName("CSS Logical Properties", "#propdef-padding-inline-start", "padding-inline-start")}}</td>
   <td>{{Spec2("CSS Logical Properties")}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</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>{{CompatNo}}<sup>[2]</sup></td>
   <td>{{CompatGeckoDesktop("41.0")}}<sup>[1]</sup></td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}<sup>[2]</sup></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>{{CompatNo}}</td>
   <td>{{CompatGeckoMobile("41.0") }}<sup>[1]</sup></td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
 </tbody>
</table>
</div>

<p>[1] Available since Gecko 38, but behind the preference <code>layout.css.vertical-text.enabled</code>, then disabled by default. The preference has been removed in Gecko 51 and this property cannot be disabled since this version. From Firefox 3, Gecko supports the prefixed <code>-moz-padding-start</code>.</p>

<p>[2] From Chrome 2 and Safari 3, the similar prefixed <code>-webkit-padding-start</code> are supported.</p>

<h2 id="也可以看看">也可以看看</h2>

<ul>
 <li>The mapped physical properties: {{cssxref("padding-top")}}, {{cssxref("padding-right")}}, {{cssxref("padding-bottom")}}, and {{cssxref("padding-left")}}</li>
 <li>{{cssxref("writing-mode")}}, {{cssxref("direction")}}, {{cssxref("text-orientation")}}</li>
</ul>