side_bar.php

   <div class="left-sidebar-pro">
        <nav id="sidebar" class="">
            <div class="sidebar-header">
                <a href="index.php"><img class="main-logo" src="img/logo.png" alt="" /></a>
                <strong><a href="index.php"><img src="img/logo.png" alt="" /></a></strong>
            </div>
            <div class="left-custom-menu-adp-wrap comment-scrollbar">
                <nav class="sidebar-nav left-sidebar-menu-pro">
                    <ul class="metismenu" id="menu1">
                        <li>
                            <a  href="index.php" title="Page d'accueil" href="index.php">
                                   <span class="educate-icon educate-home icon-wrap"></span>
                                   <span class="mini-click-non">Accueil</span>
                                </a>
                            
                        <li>
                            <a title="Organisez l'utilisation des services suivant une plage précise" href="events.php" aria-expanded="false"><span class="educate-icon educate-event icon-wrap sub-icon-mg" aria-hidden="true"></span> <span class="mini-click-non">Plage Horaire</span></a>
                        </li>
                        
                        
                        <li class="active">
                            <a  title="Ayez une vue générale sur tous les Services" href="all-services.php" aria-expanded="false"><span class="educate-icon educate-course icon-wrap"></span> <span class="mini-click-non">Services</span></a>
                            
                        </li>
                         <li class="active">
                            <a  title="Ayez une vue générale sur tous les Services" href="departments.php" aria-expanded="false"><span class="educate-icon educate-course icon-wrap"></span> <span class="mini-click-non">Abonnement</span></a>
                            
                        </li>

                         <li class="active">
                            <a  title="Ayez une vue générale sur tous les Services" href="client.php" aria-expanded="false"><span class="educate-icon educate-course icon-wrap"></span> <span class="mini-click-non">Client</span></a>
                            
                        </li>
                        
                        
                        <li>
                            <a class="has-arrow" href="mailbox.php" aria-expanded="false"><span class="educate-icon educate-message icon-wrap"></span> <span class="mini-click-non">Messagerie</span></a>
                            <ul class="submenu-angle" aria-expanded="false">
                                <li><a title="Consulter votre boite de reception" href="https://mail.yahoo.com/d/folders/1?.intl=fr&.lang=fr-FR&.partner=none&.src=fp"><span class="mini-sub-pro">Boite de reception</span></a></li>
                                <li><a title="Ecrire un nouveau mail" href="https://mail.yahoo.com/d/compose/3990533881"><span class="mini-sub-pro">Nouveau mail</span></a></li>
                            </ul>
                        </li>
                        
                        <li>
                            <a class="active" href="facture.php" aria-expanded="false"><span class="educate-icon educate-interface icon-wrap"></span> <span class="mini-click-non">Facture</span></a>
                        </li>

                        <li>
                            <a class="active" href="history.php" aria-expanded="false"><span class="educate-icon educate-interface icon-wrap"></span> <span class="mini-click-non">Historique</span></a>
                        </li>

                    </ul>
                </nav>
            </div>
        </nav>
    </div>