<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
<div class="container">
<div class="row">
<div class="col-lg-12">
<div class="form_hover " style="background-color: #cccccc;">
<p style="text-align: center; margin-top: 20px;">
<i class="fa fa-gears" style="font-size:187px;"></i>
</p>
<div class="header">
<div class="blur"></div>
<div class="header-text">
<div class="panel panel-primary" style="height:320px;">
<div class="panel-heading">
<h3 style="background-color:#428BCA; color:white;">
<i class="fa fa-arrows-v"></i> Login Form <i class="fa fa-arrows-v"></i></h3>
</div>
<div class="panel-body">
<div class="form-group">
<input type="text" class="form-control input-lg" placeholder="Email">
</div>
<div class="form-group">
<input type="password" class="form-control input-lg" placeholder="Password">
</div>
<div class="form-group">
<button class="btn btn-primary btn-lg btn-block">Sign In</button>
</div>
</div>
</div>
</div>
</div>
</div>