import tkinter as tk
from tkinter import ttk


borderImageData = '''
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'''


def build_style(parent):
    style = ttk.Style(parent)
    borderImage = tk.PhotoImage("borderImage", data=borderImageData)

    style.element_create(
        "RoundedFrame",
        "image",
        borderImage,
        border=16,
        sticky="nsew",
    )
    layout = style.layout("RoundedFrame", [("RoundedFrame", {"sticky": "nsew"})])
    data = {}
    for e in style.element_names():
        data[e] = style.element_options(e)
    print(data)
    return style


def create_frame(parent):
    frame1 = ttk.Frame(parent, style="RoundedFrame", padding=10)
    text1 = tk.Text(
        frame1, borderwidth=0, highlightthickness=0, wrap="word", width=40, height=4
    )
    text1.pack(fill="both", expand=True)

    text1.insert("end", "This widget has the focus")
    return frame1


root = tk.Tk()
style = build_style(root)
f = create_frame(root)
root.configure(background="white")
f.pack(side="top", fill="both", expand=True, padx=20, pady=20)

root.mainloop()