Improved styling for WebHost

WebHostLib/templates/macros.html

@@ -1,10 +1,8 @@
 {% macro list_rooms(rooms) -%}
-    Rooms:
-    <ul class="list-group">
+    <ul>
         {% for room in rooms %}
-            <li class="list-group-item"><a href="{{ url_for("host_room", room=room.id) }}">Room #{{ room.id }}</a></li>
+            <li><a href="{{ url_for("host_room", room=room.id) }}">Room #{{ room.id }}</a></li>
         {% endfor %}
         {{ caller() }}
-
     </ul>
-{%- endmacro %}
+{%- endmacro %}