<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>bootstrap</title>
<style type="text/css">
div{
position: relative;
left:100px;
top:100px;
width:500px;
}
div span{
display: block;
}
</style>
</head>
<body>
<script src="jquery.min.js"></script>
<link href="bootstrap/css/bootstrap/3.3.6/bootstrap.min.css" rel="stylesheet">
<script src="bootstrap/js/bootstrap/3.3.6/bootstrap.min.js"></script>
<div>
<p class="bg-primary">强调的背景</p>
<p class="bg-success">成功的背景</p>
<p class="bg-info">信息提示文字背景</p>
<p class="bg-warning">警告提示文字背景</p>
<p class="bg-danger">危险提示文字背景</p>
</div>
</body>
</html>
