<form action="" method="post">
            <?php
            $alerts = $this->getAlerts();
            if($alerts != '')
            {
                echo '<ul class="alerts">' . $alerts . '</ul>';
                }
                ?>
            <p>
                <label for="username">Login</label>
                <input type="text" name="username" value="<?php echo $this->getData('input_user');?>"/>
            </p>
              <p>
                <label for="password">Hasło</label>
                <input type="password" name="password" value="<?php echo $this->getData('input_password');?>"/>
            </p>


            <button type="submit" name="submit" class="submit"><span class="glyphicon glyphicon-lock"></span>Zaloguj</button>
            <button type="button" class="btn btn-success"><span class="glyphicon glyphicon-arrow-left"></span> Wyjdź</button>

        </form>