This patch make Xfce use "elementary-xfce-dark" as the default icon theme, "Greybird" as
the default GTK theme and enable font antialias.

--- xfce4-settings-4.20.0/xfsettingsd/xsettings.xml.orig	2024-12-20 09:53:09.518493612 +0800
+++ xfce4-settings-4.20.0/xfsettingsd/xsettings.xml	2024-12-20 09:55:15.506496473 +0800
@@ -6,8 +6,8 @@
 
 <channel name="xsettings" version="1.0">
   <property name="Net" type="empty">
-    <property name="ThemeName" type="string" value="Adwaita"/>
-    <property name="IconThemeName" type="string" value="Adwaita"/>
+    <property name="ThemeName" type="string" value="Greybird"/>
+    <property name="IconThemeName" type="string" value="elementary-xfce-dark"/>
     <property name="DoubleClickTime" type="int" value="400"/>
     <property name="DoubleClickDistance" type="int" value="5"/>
     <property name="DndDragThreshold" type="int" value="8"/>
@@ -19,9 +19,9 @@
   </property>
   <property name="Xft" type="empty">
     <property name="DPI" type="int" value="-1"/>
-    <property name="Antialias" type="int" value="-1"/>
+    <property name="Antialias" type="int" value="1"/>
     <property name="Hinting" type="int" value="-1"/>
-    <property name="HintStyle" type="string" value="hintnone"/>
+    <property name="HintStyle" type="string" value="hintfull"/>
     <property name="RGBA" type="string" value="none"/>
   </property>
   <property name="Gtk" type="empty">