#!/usr/bin/python3

from tkinter import Tk, Frame, BOTH

class Example(Frame):

    def __init__(self, parent):
        Frame.__init__(self, parent , background = "black")

        self.parent = parent

        self.parent.title("Ameland Kinderjournal")
        self.pack(fill=BOTH, expand=1)

journal = Tk()

# set Window to fullscreen (dependend of the actual screensize)
width = journal.winfo_screenwidth()
height = journal.winfo_screenheight()
journal.geometry("%dx%d" % (width, height))

app = Example(journal)
journal.mainloop()