import tkinter as tk
from tkinter import filedialog, Text
import os

root = tk.Tk()

canvas = tk.Canvas(root, height=700, width=700, bg="#263d42")
canvas.pack()

frame = tk.Frame(root, bg="white")
frame.place(relwidth=0.8, relheight=0.8, relx=0.1, rely=0.1)

openFile =tk.Button(root, text="Open File", padx=10,
                    pady=5, fg="white", bg="#263D42")
openFile.pack()

root.mainloop()
