Replace the frame with a separator.
</child>
</object>
</child>
+ <child>
+ <object class="GtkSeparator"/>
+ </child>
<child>
<object class="GtkScrolledWindow">
<property name="vexpand">1</property>
<child>
<object class="GtkColumnView" id="attributes">
<property name="show-column-separators">1</property>
- <style>
- <class name="frame"/>
- </style>
<child>
<object class="GtkColumnViewColumn">
<property name="title" translatable="yes">Attribute</property>