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我在bootstrap中创建了一个登录页面3.3.6.I已经为表单设置了col-sm-3,但是具有class =“form-control”的输入覆盖了这个并以全屏显示。如果我从输入中删除class =“form-control”,那么它工作正常。为什么是这样?我该如何解决?bootstrap-form-control覆盖col-sm-3
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Bootstrap</title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
</head>
<body>
<form closs="col-sm-3">
\t
<div class="form-group">
<label for="email">Email </label>
<input type="email" placeholder="Enter email" class="form-control"></input>
</div>
<div class="form-group">
<label for="password">Password </label> \t
<input type="password" placeholder="Enter email" class="form-control"></input>
</div>
<button class="btn btn-primary">Login</button>
</form>
<script type="text/javascript" src="js/bootstrap.min.js"></script>
<script type="text/javascript" src="js/jquery-3.1.0.min.js"></script>
</body>
</html>