<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<div class="form-box">
<h1>Form <span>Registration</span></h1>
<form role="form" id="contact-form">
<div class="form-group">
<div id="nameError" class="alert" role="alert"></div>
<label for="form-name-field" class="sr-only">Name</label>
<div class="input-group">
<div class="input-group-addon"><span class="glyphicon glyphicon-user"></span></div>
<input type="text" class="form-control" id="form-name-field" value="" placeholder="Name">
</div>
</div>
<div class="form-group">
<div id="emailError" class="alert" role="alert"></div>
<label for="form-email-field" class="sr-only">Email</label>
<div class="input-group">
<div class="input-group-addon"><span class="glyphicon glyphicon-envelope"></span></div>
<input type="email" class="form-control" id="form-email-field" value="" placeholder="Email">
</div>
</div>
<div class="form-group">
<div id="phoneError" class="alert" role="alert"></div>
<label for="form-phone-field" class="sr-only">Phone</label>
<div class="input-group">
<div class="input-group-addon"><span class="glyphicon glyphicon-phone"></span></div>
<input type="phone" class="form-control" id="form-phone-field" value="" placeholder="Phone">
</div>
</div>