style: button aligns correctly

godot/scenes/map/nodes/map_node.gd

@@ -1,6 +1,6 @@
-extends Button
+extends Control
 
-const margin = 10
+const margin = 16
 
 var children: Array = []
 

godot/scenes/map/nodes/map_node.tscn

@@ -1,12 +1,20 @@
 [gd_scene load_steps=3 format=3 uid="uid://bjsli15ybap6k"]
 
-[ext_resource type="Texture2D" uid="uid://bap7b1bgbmgvc" path="res://assets/kenney_assets/board_game_icons/crown_b.svg" id="1_n5psb"]
 [ext_resource type="Script" path="res://scenes/map/nodes/map_node.gd" id="2_6jj6h"]
+[ext_resource type="Texture2D" uid="uid://cegte5ghg5m4l" path="res://assets/kenney_assets/board_game_icons/skull.svg" id="2_amxkw"]
 
-[node name="MapNode" type="Button"]
+[node name="MapNode" type="Control"]
+layout_mode = 3
+anchors_preset = 0
 offset_right = 32.0
 offset_bottom = 32.0
-icon = ExtResource("1_n5psb")
-flat = true
-expand_icon = true
 script = ExtResource("2_6jj6h")
+
+[node name="Button" type="Button" parent="."]
+layout_mode = 0
+offset_left = -16.0
+offset_top = -16.0
+offset_right = 16.0
+offset_bottom = 16.0
+icon = ExtResource("2_amxkw")
+expand_icon = true