col-lg- *引导程序类
input-lg用于在Bootstrap中设置表单的宽度。
您可以尝试运行以下代码来实现col-lgBootstrap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>
<form role = "form">
<div class = "row">
<div class = "col-lg-2">
<input type = "text" class = "form-control" placeholder = ".col-lg-2">
</div>
<div class = "col-lg-3">
<input type = "text" class = "form-control" placeholder = ".col-lg-3">
</div>
<div class = "col-lg-4">
<input type = "text" class = "form-control" placeholder = ".col-lg-4">
</div>
</div>
</form>
</body>
</html>