<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>
<div class="container">
<div class="row">
<form class="form-horizontal">
<fieldset>
<legend>Form Name</legend>
<div class="form-group">
<label class="col-md-12 control-label" for="name">Name</label>
<div class="col-md-12">
<input id="name" name="name" type="text" placeholder="Name" class="form-control input-md" required="">
<span class="help-block">Name</span>
</div>
</div>
<div class="form-group">
<label class="col-md-12 control-label" for="email">Email</label>
<div class="col-md-12">
<input id="email" name="email" type="text" placeholder="Email" class="form-control input-md" required="">
<span class="help-block">Email</span>
</div>
</div>
<div class="form-group">
<label class="col-md-12 control-label" for="message">Message</label>
<div class="col-md-12">
<textarea class="form-control" id="message" name="message"></textarea>