Switch to side-by-side view

--- a/windows/mkinstdir.sh
+++ b/windows/mkinstdir.sh
@@ -61,9 +61,9 @@
     chkcp $UPP/dirbrowser/standard.css $DESTDIR/share/cdbrowser
     chkcp $UPP/dirbrowser/dark.css $DESTDIR/share/cdbrowser
     cp -rp $UPP/GUI/icons $DESTDIR/share
-    chkcp $UPP/GUI/standard.css $DESTDIR/share
-    chkcp $UPP/GUI/dark.css $DESTDIR/share
-    chkcp $UPP/GUI/common.css $DESTDIR/share
+    chkcp $UPP/GUI/standard.qss $DESTDIR/share
+    chkcp $UPP/GUI/dark.qss $DESTDIR/share
+    chkcp $UPP/GUI/common.qss $DESTDIR/share
     chkcp $UPP/GUI/icons/upplay.ico $DESTDIR
     chkcp -rp $UPP/GUI/icons $DESTDIR
     chkcp $GUIBIN $DESTDIR