try:
from Tkinter import Frame, Entry, Tk
except ImportError:
from tkinter import Frame, Entry, Tk
root = Tk()
frame1 = Frame(root, highlightbackground="green", highlightcolor="green", highlightthickness=1, width=100, height=100, bd= 0)
frame1.pack()
frame1.pack_propagate(False)
Entry(frame1).pack()
frame2 = Frame(root, highlightbackground="red", highlightcolor="red", highlightthickness=1, width=100, height=100, bd= 0)
frame2.pack()
frame2.pack_propagate(False)
Entry(frame2).pack()
root.mainloop()