How to change the background color and size of the confirmationdialog title? godot 4

Help
,
1

VERSION: GODOT 4

I’m trying to change the background color of a ConfirmationDialog and change the size of its title, but it’s not working, can anyone please help me?

var themeWin = preload("res://themes/theme_window.tres")
	dialog.theme = themeWin

func _on_task_button_pressed(task_name: String):
	var dialog = ConfirmationDialog.new()
	dialog.title = ""
	dialog.min_size = Vector2i(800, 300)
	dialog.max_size = Vector2i(800, 800)
	dialog.get_label().text = ": " + task_name + "\n " + str(tasks[task_name]["streak"]) + "\n " + tasks[task_name]["first_offensive_date"]
	var theme_label = preload("res://themes/theme_label.tres")
	dialog.get_label().theme = theme_label

	var themeWin = preload("res://themes/theme_window.tres")
	dialog.theme = themeWin
	
	dialog.get_ok_button()
	dialog.get_ok_button().text = "Concluir"
	var themeOK = preload("res://themes/theme_confirm.tres")
	dialog.get_ok_button().theme = themeOK
	dialog.get_cancel_button().hide()  # Ocultar o botão "Cancel" padrão
	dialog.connect("confirmed", Callable(self, "_on_complete_button_pressed").bind(task_name))
	add_child(dialog)
	dialog.popup_centered()

image

2

Godot v4.3.stable.arch_linux

Hi, you can use the Window type. Set the panel for the background and the embedded border for the frame. Set the Expand Margins of the embedded border to increase the border size.
Make sure to apply the theme directly on the ConfirmationDialog node in case you placed it inside a CanvasLayer, since it doesn’t inherits the theme from the main node of the tree, even if it is a child.
Image references:
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