[gnome-logs] eventtoolbar: Use flat style on main menu

[David King <davidk src gnome org>]

commit 8064c73ebc89dba8c4bdd5199aef42ed58889e3c
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Thu Dec 9 00:56:23 2021 +0100

    eventtoolbar: Use flat style on main menu

 data/gl-eventtoolbar.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/gl-eventtoolbar.ui b/data/gl-eventtoolbar.ui
index 3f7ed7f..0247c1e 100644
--- a/data/gl-eventtoolbar.ui
+++ b/data/gl-eventtoolbar.ui
@@ -50,6 +50,7 @@
                         <property name="valign">center</property>
                         <style>
                             <class name="title-menu-button"/>
+                            <class name="flat"/>
                         </style>
                     </object>
                 </child>