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---
title: gap (grid-gap)
slug: Web/CSS/gap
tags:
- CSS
- CSS Flexible Boxes
- CSS Grid
translation_of: Web/CSS/gap
---
<div>{{CSSRef}}</div>
<p><strong><code>gap</code></strong> 属性是用来设置网格行与列之间的间隙（{{glossary("gutters")}}），该属性是{{cssxref("row-gap")}} and {{cssxref("column-gap")}}的简写形式。</p>
<div>{{EmbedInteractiveExample("pages/css/gap.html")}}</div>
<div class="note">
<p><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout">CSS Grid Layout</a> 起初是用 {{cssxref('grid-gap')}} 属性来定义的，目前逐渐被 <code>gap</code> 替代。但是，为了兼容那些不支持 <code>gap</code> 属性的浏览器，你需要像上面的例子一样，使用带有前缀的属性。</p>
</div>
<h2 id="语法">语法</h2>
<pre class="brush: css no-line-numbers notranslate">/* One <length> value */
gap: 20px;
gap: 1em;
gap: 3vmin;
gap: 0.5cm;
/* One <percentage> value */
gap: 16%;
gap: 100%;
/* Two <length> values */
gap: 20px 10px;
gap: 1em 0.5em;
gap: 3vmin 2vmax;
gap: 0.5cm 2mm;
/* One or two <percentage> values */
gap: 16% 100%;
gap: 21px 82%;
/* calc() values */
gap: calc(10% + 20px);
gap: calc(20px + 10%) calc(10% - 5px);
/* Global values */
gap: inherit;
gap: initial;
gap: unset;
</pre>
<p>该属性用来表示 <code><'row-gap'></code> 和 <code><'column-gap'></code>的值，而<code><'column-gap'></code>是可选的，假如 <code><'column-gap'></code> 缺失的话，则会被设置成跟<code><'row-gap'></code>一样的的值。</p>
<p><code><'row-gap'></code> and <code><'column-gap'></code> 都可以用 <code><length></code> 或者 <code><percentage></code> 来表示。</p>
<h3 id="值">值</h3>
<dl>
<dt>{{cssxref("<length>")}}</dt>
<dd>网格线之间的间隙宽度。</dd>
<dt>{{cssxref("<percentage>")}}</dt>
<dd>网格线直接的间隙宽度，相对网格容器的百分比。</dd>
</dl>
<h3 id="正式语法">正式语法</h3>
{{csssyntax}}
<h2 id="示例">示例</h2>
<h3 id="Flex布局">Flex布局</h3>
<p>{{SeeCompatTable}}</p>
<h4 id="HTML">HTML</h4>
<pre class="brush: html; notranslate"><div id="flexbox">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</pre>
<h4 id="CSS">CSS</h4>
<pre class="brush: css; highlight[5] notranslate">#flexbox {
display: flex;
flex-wrap: wrap;
width: 300px;
gap: 20px 5px;
}
#flexbox > div {
border: 1px solid green;
background-color: lime;
flex: 1 1 auto;
width: 100px;
height: 50px;
}
</pre>
<h4 id="Result">Result</h4>
<p>{{EmbedLiveSample('Flex布局', "auto", "120px")}}</p>
<h3 id="Grid布局">Grid布局</h3>
<h4 id="HTML_2">HTML</h4>
<pre class="brush: html notranslate"><div id="grid">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div></pre>
<h4 id="CSS_2">CSS</h4>
<pre class="brush: css; highlight[5] notranslate">#grid {
display: grid;
height: 200px;
grid-template: repeat(3, 1fr) / repeat(3, 1fr);
gap: 20px 5px;
}
#grid > div {
background-color: lime;
}
</pre>
<h4 id="Result_2">Result</h4>
<p>{{EmbedLiveSample('Grid布局', 'auto', 120)}}</p>
<h3 id="多列布局">多列布局</h3>
<h4 id="HTML_3">HTML</h4>
<pre class="brush: html; notranslate"><p class="content-box">
This is some multi-column text with a 40px column
gap created with the CSS <code>gap</code> property.
Don't you think that's fun and exciting? I sure do!
</p>
</pre>
<h4 id="CSS_3">CSS</h4>
<pre class="brush: css; highlight[3] notranslate">.content-box {
column-count: 3;
gap: 40px;
}
</pre>
<h4 id="Result_3">Result</h4>
<p>{{EmbedLiveSample("多列布局", "auto", "120px")}}</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">备注</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName("CSS3 Box Alignment", "#propdef-gap", "gap")}}</td>
<td>{{Spec2("CSS3 Box Alignment")}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<p>{{cssinfo}}</p>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<h3 id="在Flex_布局的兼容性">在Flex 布局的兼容性</h3>
<p>{{Compat("css.properties.gap.flex_context")}}</p>
<h3 id="在Grid_layout的兼容性">在Grid layout的兼容性</h3>
<p>{{Compat("css.properties.gap.grid_context")}}</p>
<h3 id="多列布局的兼容性">多列布局的兼容性</h3>
<p>{{Compat("css.properties.gap.multicol_context")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li>Related CSS properties: {{cssxref("row-gap")}}, {{cssxref("column-gap")}}</li>
<li>Grid Layout Guide: <em><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Basic_Concepts_of_Grid_Layout#Gutters">Basic concepts of grid layout - Gutters</a></em></li>
</ul>
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