<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<form class="form-horizontal">
<fieldset>
<legend>Login Form</legend>
<div class="form-group">
<label class="col-md-4 control-label" for="textinput">Userid</label>
<div class="col-md-4">
<input id="textinput" name="textinput" type="text" placeholder="" class="form-control input-md">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="textinput">Password</label>
<div class="col-md-4">
<input id="textinput" name="textinput" type="text" placeholder="" class="form-control input-md">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="singlebutton"></label>
<div class="col-md-4">
<button id="singlebutton" name="singlebutton" class="btn btn-primary">Login</button>
</div>
</div>