[epiphany/wip/exalm/menu] page-menu-popover: Adjust submenu dimensions

[Alexander Mikhaylenko <alexm src gnome org>]

commit d9153c331d0d76bdd7fd4ef6c8440d0f589418ae
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue May 12 22:31:58 2020 +0500

    page-menu-popover: Adjust submenu dimensions

 src/resources/gtk/page-menu-popover.ui | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/resources/gtk/page-menu-popover.ui b/src/resources/gtk/page-menu-popover.ui
index 80ab6f802..dedb3566e 100644
--- a/src/resources/gtk/page-menu-popover.ui
+++ b/src/resources/gtk/page-menu-popover.ui
@@ -322,7 +322,6 @@
         <property name="margin-top">12</property>
         <property name="orientation">vertical</property>
         <property name="visible">True</property>
-        <property name="spacing">6</property>
         <style>
           <class name="page-menu-contents"/>
         </style>
@@ -331,8 +330,10 @@
             <property name="can_focus">True</property>
             <property name="text" translatable="yes">Import and Export</property>
             <property name="visible">True</property>
+            <property name="centered">True</property>
             <property name="menu-name">main</property>
             <property name="inverted">True</property>
+            <property name="margin-bottom">6</property>
           </object>
         </child>
         <child>