Improved design

lib/components/list_items/state_message.dart

@@ -13,7 +13,7 @@ class StateMessage extends StatelessWidget {
     return Padding(
       padding: const EdgeInsets.all(8.0),
       child: Opacity(
-        opacity: 0.66,
+        opacity: 0.5,
         child: Bubble(
           color: Colors.black,
           elevation: 0,

lib/views/chat_list.dart

@@ -170,7 +170,9 @@ class _ChatListState extends State<ChatList> {
                 ),
               );
             }
-            return ListView.builder(
+            return ListView.separated(
+              separatorBuilder: (BuildContext context, int i) =>
+                  Divider(indent: 70, height: 1),
               itemCount: rooms.length,
               itemBuilder: (BuildContext context, int i) => ChatListItem(
                 rooms[i],