ContentNavigationDrawer

я покопался в документации но так не нашёл решения. Как поменять цвет фона навигационного ящика ? Как поменять цвет текста ? Я бы хотел поменять на md_bg_color: .2, .2, .2, 1 specific_text_color: 1, 1, 1, 1

from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivy.properties import ObjectProperty

from kivymd.app import MDApp

KV = '''
<ContentNavigationDrawer>:
    orientation: "vertical"
    padding: "8dp"
    spacing: "8dp"

    AnchorLayout:
        anchor_x: "left"
        size_hint_y: None
        height: avatar.height 

        Image:
            id: avatar
            size_hint: None, None
            size: "56dp", "56dp"
            source: "data/logo/kivy-icon-256.png"

    MDLabel:
        text: "дневник "
        font_style: "Button"
        size_hint_y: None
        height: self.texture_size[1]


    MDLabel:
        text: "gmail.com"
        font_style: "Caption"
        size_hint_y: None
        height: self.texture_size[1]

    ScrollView:

        MDList:

            OneLineListItem:
                text: " работа"
                on_press:
                    root.nav_drawer.set_state("close")
                    root.screen_manager.current = "scr 1"

            OneLineListItem:
                text: "луна "
                on_press:
                    root.nav_drawer.set_state("close")
                    root.screen_manager.current = "scr 2"

            MDLabel:
                text: "             "
                font_style: "Button"
                size_hint_y: None
                height: self.texture_size[1]
            MDLabel:
                text: " верх "
                font_style: "Button"
                size_hint_y: None
                height: self.texture_size[1]




Screen:

    MDToolbar:
        id: toolbar
        pos_hint: {"top": 1}
        elevation: 10
        title: "MDNavigationDrawer"
        left_action_items: [["menu", lambda x: nav_drawer.set_state("open")]]

    NavigationLayout:
        x: toolbar.height

        ScreenManager:
            id: screen_manager

            Screen:
                name: "scr 1"

                MDLabel:
                    text: "Screen 1"
                    halign: "center"

            Screen:
                name: "scr 2"

                MDLabel:
                    text: "Screen 2"
                    halign: "center"

        MDNavigationDrawer:
            id: nav_drawer

            ContentNavigationDrawer:
                screen_manager: screen_manager
                nav_drawer: nav_drawer
'''


class ContentNavigationDrawer(BoxLayout):
    screen_manager = ObjectProperty()
    nav_drawer = ObjectProperty()


class TestNavigationDrawer(MDApp):
    def build(self):
        return Builder.load_string(KV)


TestNavigationDrawer().run()