diff --git a/I18N Commander/App/theme/ui_theme_dark.tres b/I18N Commander/App/theme/ui_theme_dark.tres
index 12ce46d..b195b3c 100644
--- a/I18N Commander/App/theme/ui_theme_dark.tres	
+++ b/I18N Commander/App/theme/ui_theme_dark.tres	
@@ -50,3 +50,14 @@ TabContainer/styles/tab_selected = ExtResource("8_4hym3")
 TabContainer/styles/tab_unselected = ExtResource("8_5xc56")
 TabContainer/styles/tabbar_background = ExtResource("8_l6mbx")
 TextEdit/font_sizes/font_size = 32
+Tree/constants/children_hl_line_width = 4
+Tree/constants/draw_guides = 0
+Tree/constants/draw_relationship_lines = 1
+Tree/constants/h_separation = 12
+Tree/constants/inner_item_margin_left = 12
+Tree/constants/parent_hl_line_width = 4
+Tree/constants/relationship_line_width = 4
+Tree/constants/scrollbar_h_separation = 12
+Tree/constants/v_separation = 8
+Tree/font_sizes/font_size = 32
+Tree/font_sizes/title_button_font_size = 32