primary

UK[ˈpraɪməri] US[ˈpraɪmeri]

adj. Primary, important; earliest, primitive; [Geology ]Original; basic

n.First place; best; element; candidate promotion meeting

Bootstrap bg-primary style syntax

Function: Table cells use the "bg-primary" class.

Bootstrap bg-primary style example

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"> 
	<title>php中文网(php.cn)</title> 
	<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">  
	<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
	<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
	<h2>背景</h2>
	<p class="bg-primary">该段落使用了类 "bg-primary"。</p>
	<a class="bg-primary" href="http://www.php.cn">该链接使用了类 "bg-primary"。</a>
</div>

</body>
</html>
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