<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<style>
.input-group-addon {
color: #fff;
background-color: #337ab7;
}
.form-control, .input-group-addon {
border-radius: 0px;
}
label{
text-align: left !important;
}
</style>
<body>
<div class="container">
<div class="container">
<div id="loginbox" style="margin-top:50px;" class="mainbox col-md-5 col-md-offset-4 col-sm-7 col-sm-offset-3">
<div class="panel panel-primary" >
<div class="panel-heading">
<div class="panel-title text-center"><i class="fa fa-sign-in" aria-hidden="true"></i> Sign In</div>
<div style="float:right; font-size: 80%; position: relative; top:-10px"><a href="#">Forgot password?</a></div>
