diff -r 183b128a4189 -r a642639dbc07 client/src/components/Navbar.js
--- a/client/src/components/Navbar.js	Mon Oct 08 03:30:54 2018 +0200
+++ b/client/src/components/Navbar.js	Mon Oct 08 04:09:19 2018 +0200
@@ -149,7 +149,7 @@
           <div className="collapse navbar-collapse text-center" id="navbarSupportedContent">
             <ul className="navbar-nav mr-auto">
               <li className="nav-item">
-                <a className="nav-link " onClick={this.onClickSessions} href="/sessions">Accueil</a>
+                <a className="nav-link " onClick={this.onClickSessions} href="/sessions">Sessions</a>
               </li>
             </ul>
             <ul className="navbar-nav navbar-center">
@@ -169,7 +169,7 @@
             </ul>
           </div>
           <Modal
-          className="Modal__Bootstrap modal-dialog mt-5 pt-5"
+          className="Modal__Bootstrap modal-dialog modal-dialog-centered"
           // closeTimeoutMS={150}
           isOpen={this.state.modalIsOpen}
           onRequestClose={this.handleModalCloseRequest}
@@ -177,13 +177,13 @@
             <div id="logout-modal" className="modal-content">
               <span id="logout-close-modal-button" className="material-icons p-0 text-right" onClick={ this.handleModalCloseRequest }>close</span>
               <div className="modal-body text-center">
-              <span className="material-icons modal-warning">warning</span>
+              <span className="material-icons modal-warning text-info pb-5">warning</span>
                 <p className="modal-text">
-                  Certaines données n'ont pas encore été sauvegardées.
+                  Certaines sessions n'ont pas encore été sauvegardées.
                   <br />
                   Si vous continuez, elles seront perdues.
                 </p>
-              <button type="button" className="btn btn-primary text-secondary font-weight-bold py-1 px-2 mb-3" id="logout-modal-button" onClick={ this.confirmLogout }>Confirmer</button>
+              <button type="button" className="btn btn-info text-secondary font-weight-bold py-1 px-2 mb-3" id="logout-modal-button" onClick={ this.confirmLogout }>Confirmer</button>
               </div>
             </div>
           </Modal>
@@ -205,7 +205,7 @@
     isSynchronizing: isSynchronizing(state),
     isSynchronized: isSynchronized(state),
     currentGroup: getCurrentGroup(state),
-    groups: getGroups(state)
+    groups: getGroups(state),
   };
 }