<br><br><br>
<div class="col-md-4 col-md-offset-4">
                <div class="panel panel-default">
                    <div class="panel-heading">
                        <h3 class="panel-title">User Login</h3>
                    </div>
                    <div class="panel-body">
                        <?php echo form_open('login'); ?>
                            <div class="input-group">
                                <span class="input-group-addon" id="basic-addon1"><span class="glyphicon glyphicon-user"></span></span>
                                <input type="text" name="login_username" class="form-control" placeholder="Username" value="<?= set_value('login_username') ?>" aria-describedby="basic-addon1">
                            </div>
                            <br/>
                            <div class="input-group">
                                <span class="input-group-addon" id="basic-addon1"><span class="glyphicon glyphicon-lock"></span></span>
                                <input type="password" name="login_password" value="<?= set_value('login_password') ?>" class="form-control" placeholder="Password" aria-describedby="basic-addon1">
                            </div>
                            <br/>
                            <button type="submit" class="btn btn-success pull-right">
                                Login
                            </button>
                        <?php echo form_close(); ?>
                    </div>
                </div>
            </div>