update UI

core/game_menu/page_1.tscn

@@ -1,6 +1,7 @@
 [gd_scene format=3 uid="uid://bqvpnu74cwry8"]
 
 [ext_resource type="PackedScene" uid="uid://id854u4gh12f" path="res://core/game_menu/page.tscn" id="1_uxih6"]
+[ext_resource type="Texture2D" uid="uid://bd80xo2id3xdm" path="res://core/game_menu/assets/decoration_page1.png" id="2_3i50p"]
 [ext_resource type="PackedScene" uid="uid://bh1kxsp5jyxfx" path="res://core/game_menu/train_selector.tscn" id="3_ijm38"]
 [ext_resource type="PackedScene" uid="uid://bc60gon7fmvbr" path="res://core/game_menu/biome_selector.tscn" id="12_7yi8x"]
 
@@ -14,14 +15,41 @@ grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
 
-[node name="TrainSelector" parent="." index="1" unique_id=1039769375 instance=ExtResource("3_ijm38")]
+[node name="Background" parent="." index="0" unique_id=1203110384]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_right = 0.0
+offset_bottom = 0.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Decoration" type="TextureRect" parent="." index="1" unique_id=161938515]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -795.0
+offset_top = -264.0
+offset_right = 795.0
+offset_bottom = 321.0
+grow_horizontal = 2
+grow_vertical = 2
+pivot_offset_ratio = Vector2(0.5, 0.5)
+texture = ExtResource("2_3i50p")
+expand_mode = 1
+
+[node name="TrainSelector" parent="." index="2" unique_id=1039769375 instance=ExtResource("3_ijm38")]
 layout_mode = 0
 offset_left = 211.0
 offset_top = 365.0
 offset_right = 871.0
 offset_bottom = 758.0
 
-[node name="BiomeSelector" parent="." index="2" unique_id=1957954960 instance=ExtResource("12_7yi8x")]
+[node name="BiomeSelector" parent="." index="3" unique_id=1957954960 instance=ExtResource("12_7yi8x")]
 layout_mode = 0
 offset_left = 1038.0
 offset_top = 365.0