diff --git a/src/App.vue b/src/App.vue
index e9e2fc62f..76e915d11 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -114,16 +114,22 @@
 											<icon icon="plus"/>
 										</span>
                                     </router-link>
-                                    <div class="menu-label">
-                                        {{n.name}}
-                                    </div>
+                                    <label class="menu-label" v-tooltip="n.name + ' (' + n.lists.length + ')'" :for="n.id + 'checker'">
+                                        {{n.name}} ({{n.lists.length}})
+                                    </label>
+                                </div>
+                                <input :key="n.id + 'checker'" type="checkbox" checked="checked" :id="n.id + 'checker'" class="checkinput"/>
+                                <div class="more-container" :key="n.id + 'child'">
+                                    <ul class="menu-list can-be-hidden" >
+                                        <li v-for="l in n.lists" :key="l.id">
+                                            <router-link :to="{ name: 'showList', params: { id: l.id} }">{{l.title}}
+                                            </router-link>
+                                        </li>
+                                    </ul>
+                                    <label class="hidden-hint" :for="n.id + 'checker'">
+                                        Show hidden lists ({{n.lists.length}})...
+                                    </label>
                                 </div>
-                                <ul class="menu-list" :key="n.id + 'child'">
-                                    <li v-for="l in n.lists" :key="l.id">
-                                        <router-link :to="{ name: 'showList', params: { id: l.id} }">{{l.title}}
-                                        </router-link>
-                                    </li>
-                                </ul>
                             </template>
                         </aside>
                     </div>
diff --git a/src/styles/general.scss b/src/styles/general.scss
index fca3414b7..411520891 100644
--- a/src/styles/general.scss
+++ b/src/styles/general.scss
@@ -62,38 +62,63 @@
       .menu-label {
         font-size: 1em;
         font-weight: 700;
+        font-weight: bold;
+        font-family: $vikunja-font;
+        color: $grey;
+        font-weight: 500;
         min-height: 2.5em;
         padding-top: $navbar-padding * 0.3;
+        padding-left: $navbar-padding;
 
+        display: block;
         white-space: nowrap;
         text-overflow: ellipsis;
         overflow: hidden;
       }
 
       .nsettings{
-        vertical-align: middle;
         float: right;
-        margin-left: 0.5rem;
-        min-width: 2.648em;
-        padding-top: 5px;
-      }
-
-      .menu-label {
-        font-weight: bold;
-        font-family: $vikunja-font;
+        padding: 10px 0.3em 0;
       }
 
       .menu-label,.nsettings,.menu-list a{
         color: $vikunja-nav-color;
       }
 
-      .menu-label{
+      .checkinput {
+        display: none;
+      }
+
+      .checkinput:checked + .more-container {
+        .menu-list.can-be-hidden {
+          opacity: 1;
+          height: auto;
+        }
+      }
+
+      .checkinput:not(:checked) + .more-container .hidden-hint {
+        opacity: 1;
+        height: auto;
+      }
+
+      .hidden-hint {
+        display: block;
+        opacity: 0;
+        height: 0;
+        text-align: center;
         color: $grey;
-        font-weight: 500;
-        padding-left: $navbar-padding;
+        cursor: pointer;
+        font-size: 0.8em;
       }
 
       .menu-list {
+        &.can-be-hidden {
+          transition: all $transition;
+          height: 0;
+          overflow: hidden;
+          opacity: 0;
+        }
+
         li {
           height: 44px;
         }
diff --git a/todo.md b/todo.md
index 3aec23d54..6fa29b239 100644
--- a/todo.md
+++ b/todo.md
@@ -35,8 +35,8 @@
 * [x] Ladeanimationen erst nach 100ms anzeigen, sonst wird das überflüssigerweise angezeigt
 * [x] Btns für Teams und neuer Namespace nach oben in die Leiste verschieben
 * [x] Fancy Scrollbars
+* [x] Be able to collapse all lists in a namespace by clicking on the menu entry
 * [ ] Card-like overview of all lists with the first 3-5 tasks, undone first
-* [ ] Be able to collapse all lists in a namespace by clicking on the menu entry
 
 ## Funktionales