diff -r 298d0373812e -r 97536386b397 client/src/components/Navbar.js
--- a/client/src/components/Navbar.js	Tue Aug 28 18:52:12 2018 +0200
+++ b/client/src/components/Navbar.js	Wed Aug 29 11:02:36 2018 +0200
@@ -159,17 +159,17 @@
           isOpen={this.state.modalIsOpen}
           onRequestClose={this.handleModalCloseRequest}
           >
-            <div className="modal-content">
-              <div className="modal-body">
-                <p className="text-center">
+            <div id="logout-modal" className="modal-content text-center">
+              {/* <div className="modal-body"> */}
+              <button type="button" id="logout-close-modal-button" className="btn btn-default pull-right" onClick={ this.handleModalCloseRequest }><span className="material-icons">close</span></button>
+              <span className="material-icons modal-warning">warning</span>
+                <p className="modal-text">
                   Certaines données n'ont pas encore été sauvegardées.
                   <br />
                   Si vous continuez, elles seront perdues.
                 </p>
-              </div>
               <div className="modal-footer">
-                <button type="submit" className="btn btn-primary btn-lg" onClick={this.confirmLogout}>Confirmer</button>
-                <button type="submit" className="btn btn-default btn-lg" onClick={this.handleModalCloseRequest}>Fermer</button>
+              <button type="button" className="btn btn-primary" id="logout-modal-button" onClick={ this.confirmLogout }>Confirmer</button>
               </div>
             </div>
           </Modal>