引导类中心块
使用classcenter-block将元素设置为居中。
您可以尝试运行以下代码来实现center-block类
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jquery.min.js"></script>
<script src = "/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "pull-right" style = "width:100px; background-color:gray; color: white;">
Float to right
</div>
<div class = "row">
<div class = "center-block" style = "width:200px; background-color:#ccc; color: white;">
Example for center-block
</div>
</div>
</body>
</html>