from tkinter import *
root = Tk()
root.title("Feliz São Valentim")
root.geometry("400x400")
root.resizable(0,0)
root.configure(bg="pink")

label = Label(root, text="Feliz São Valentim", font=("Arial", 24, "bold"), fg="white", bg="pink")
label.pack(pady=20)

canvas = Canvas(root, width=400, height=300, bg="pink", highlightthickness=0)
canvas.pack()

canvas.create_arc(100, 50, 200, 150, start=0, extent=180, fill="red", outline="red")
canvas.create_arc(200, 50, 300, 150, start=0, extent=180, fill="red", outline="red")
canvas.create_polygon(100, 100, 300, 100, 200, 250, fill="red", outline="red")

root.mainloop()