button salir a modo de link para los menus

                            <li>
                                <form action="../Connections/kiler.php" method="POST">
                                    <button type="submit" name="logout" 
                                    style="background: none; border: none; padding: 0; margin: 0; 
                                           font: inherit; color: inherit; cursor: pointer;">
                                        Salir
                                    </button>
                                </form>
                            </li>






				<li>
					<a href="" target="_self">
						<form action="../../../Connections/kiler.php" method="POST">
                                    <button type="submit" name="logout" 
                                    style="background: none; border: none; padding: 0; margin: 0; 
                                           font: inherit; color: inherit; cursor: pointer;">
                                        <i class="fa fa-power-off" aria-hidden="true"></i>
										<span id="salirSpan">Salir</span>
                                    </button>
                                </form>
					</a>
				</li>