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語法：

column-gap：<length> | normal

默認值：normal

適用于：定義了多列的元素

繼承性：無

動畫性：否

計算值：絕對長度值或者normal

取值：

<length>：: 用長度值來定義列與列之間的間隙。不允許負值
normal：: 與 <' font-size '> 大小相同。假設該對象的font-size為16px，則normal值為16px，類推。

說明：

設置或檢索對象的列與列之間的間隙

對應的腳本特性為columnGap。

兼容性：

淺綠 = 支持
紅色 = 不支持
粉色 = 部分支持

Values	IE	Firefox	Chrome	Safari	Opera	iOS Safari	Android Browser	Android Chrome
Basic Support	6.0-9.0	2.0-40.0^-moz-	4.0-45.0^-webkit-	6.0-8.0^-webkit-	15.0-29.0^-webkit-	6.0-8.3^-webkit-	2.1-4.4.4^-webkit-	18.0-42.0^-webkit-
Basic Support	10.0+	2.0-40.0^-moz-	4.0-45.0^-webkit-	6.0-8.0^-webkit-	15.0-29.0^-webkit-	6.0-8.3^-webkit-	2.1-4.4.4^-webkit-	18.0-42.0^-webkit-

示例：

<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>column-gap_CSS參考手冊_web前端開發參考手冊系列【CSS在線手冊-網站設計教程參考資料】</title>
<meta name="author" content="易網,網站設計,網站制作,網站建設,www.gdywg.com.cn" />
<style>
body{font:14px/1.5 georgia,serif,sans-serif;}
p{margin:0;padding:5px 10px;background:#eee;}
h1{margin:10px 0;font-size:16px;}
.test{
	border:10px solid #000;
	-moz-column-count:3;
	-moz-column-gap:normal;
	-webkit-column-count:3;
	-webkit-column-gap:normal;
	column-count:3;
	column-gap:normal;
}
.test2{
	border:10px solid #000;
	-moz-column-count:3;
	-moz-column-gap:40px;
	-webkit-column-count:3;
	-webkit-column-gap:40px;
	column-count:3;
	column-gap:40px;
}
</style>
</head>
<body>
<h1>font-size為14px時，列間隙column-gap:normal的計算值也為14px</h1>
<div   id="uaukcwsk2o2i"   class="test">
	<p>This module describes multi-column layout in CSS. By using functionality described in this document, style sheets can declare that the content of an element is to be laid out in multiple columns. </p>
	<p>On the Web, tables have also been used to describe multi-column layouts. The main benefit of using CSS-based columns is flexibility; content can flow from one column to another, and the number of columns can vary depending on the size of the viewport. Removing presentation table markup from documents allows them to more easily be presented on various output devices including speech synthesizers and small mobile devices.</p>
</div>
<h1>固定列間隙為40px:</h1>
<div   id="uaukcwsk2o2i"   class="test2">
	<p>This module describes multi-column layout in CSS. By using functionality described in this document, style sheets can declare that the content of an element is to be laid out in multiple columns. </p>
	<p>On the Web, tables have also been used to describe multi-column layouts. The main benefit of using CSS-based columns is flexibility; content can flow from one column to another, and the number of columns can vary depending on the size of the viewport. Removing presentation table markup from documents allows them to more easily be presented on various output devices including speech synthesizers and small mobile devices.</p>
</div>
</body>
</html>