[file-roller/wip/gtk4: 36/54] ui files: use a CSS class to set the padding

[Paolo Bacchilega <paobac src gnome org>]

commit 5ac8eab228f0120509cc7302a15469f3dda13d20
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Oct 1 22:17:00 2022 +0200

    ui files: use a CSS class to set the padding

 src/ui/delete.ui         | 4 +++-
 src/ui/request-dialog.ui | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/src/ui/delete.ui b/src/ui/delete.ui
index 364cf940..302a58ca 100644
--- a/src/ui/delete.ui
+++ b/src/ui/delete.ui
@@ -2,9 +2,11 @@
 <interface>
   <requires lib="gtk" version="4.0"/>
   <object class="GtkBox" id="delete_box">
-    <property name="border_width">15</property>
     <property name="orientation">vertical</property>
     <property name="spacing">6</property>
+    <style>
+      <class name="dialog-content"/>
+    </style>
     <child>
       <object class="GtkCheckButton" id="d_all_files_radio">
         <property name="label" translatable="1">_All files</property>
diff --git a/src/ui/request-dialog.ui b/src/ui/request-dialog.ui
index 3d8ab12b..47c48ed1 100644
--- a/src/ui/request-dialog.ui
+++ b/src/ui/request-dialog.ui
@@ -4,6 +4,9 @@
   <object class="GtkBox" id="request_box">
     <property name="orientation">vertical</property>
     <property name="spacing">6</property>
+    <style>
+      <class name="dialog-content"/>
+    </style>
     <child>
       <object class="GtkLabel" id="message_label">
         <property name="use_underline">1</property>