Add labels to mobile navs

src/components/mobile_nav/mobile_nav.vue

@@ -10,6 +10,8 @@
       <div class="item">
         <button
           class="button-unstyled mobile-nav-button"
+          :title="$t('nav.mobile_sidebar')"
+          :aria-expanaded="this.$refs.sideDrawer && !this.$refs.sideDrawer.closed"
           @click.stop.prevent="toggleMobileSidebar()"
         >
           <FAIcon
@@ -26,6 +28,7 @@
         <button
           v-if="currentUser"
           class="button-unstyled mobile-nav-button"
+          :title="unseenNotificationsCount ? $t('nav.mobile_notifications_unread_active') : $t('nav.mobile_notifications')"
           @click.stop.prevent="openMobileNotifications()"
         >
           <FAIcon
@@ -52,6 +55,7 @@
         <button
           v-if="notificationsAtTop"
           class="button-unstyled mobile-nav-button"
+          :title="$t('general.scroll_to_top')"
           @click.stop.prevent="scrollMobileNotificationsToTop"
         >
           <FALayers class="fa-scale-110 fa-old-padding-layer">
@@ -64,6 +68,7 @@
         </button>
         <button
           class="button-unstyled mobile-nav-button"
+          :title="$t('nav.mobile_notifications_close')"
           @click.stop.prevent="closeMobileNotifications(true)"
         >
           <FAIcon

src/i18n/en.json

@@ -158,7 +158,11 @@
     "lists": "Lists",
     "edit_nav_mobile": "Customize navigation bar",
     "edit_pinned": "Edit pinned items",
-    "edit_finish": "Done editing"
+    "edit_finish": "Done editing",
+    "mobile_sidebar": "Toggle mobile sidebar",
+    "mobile_notifications": "Open notifications",
+    "mobile_notifications": "Open notifications (there are unread ones)",
+    "mobile_notifications_close": "Close notifications"
   },
   "notifications": {
     "broken_favorite": "Unknown status, searching for it…",