improving GUI

# guizero - Hero name generator
from guizero import App, Text, ButtonGroup, Combo, PushButton, TextBox
app = App(title="Hero-o-matic")
app.bg = "blue"

# Function definitions for your events go here.

def make_hero_name():
    adjective = bgp_adjective.value
    colour = txt_colour.value
    animal = cmb_animal.value
    fruit = cmb_fruit.value
    hero = adjective + " " + colour + " " + animal+" "+fruit
    lbl_output.value = "You are... The " + hero + "."

# Your GUI widgets go here
message1 = Text(app, text="Choose an adjective")
bgp_adjective = Combo(app, options=["Amazing", "Bonny", "Charming", "Delightful", "Speedy"], selected="Amazing")
message1.text_color = "yellow"

message2 = Text(app, text="Enter a colour?")
txt_colour = TextBox(app)
message2.text_color = "yellow"

message3 = Text(app, text="Pick an animal")
cmb_animal = Combo(app, options=["Aardvark", "Cat", "Dolphin", "Tiger", "Velociraptor", "Walrus","Seal"], selected="Aardvark", width=20)
message3.text_color = "yellow"

message4 = Text(app, text="Pick an fruit")
cmb_fruit = Combo(app, options=["Banana", "Apple", "Plum", "Pear", "Orange", "Grape","Tangerine"], selected="Banana", width=20)
message4.text_color = "yellow"

# Set up event triggers here
btn_make_name = PushButton(app, text='Make me a hero', command=make_hero_name)
lbl_output = Text(app, text="A hero name will appear here")
btn_make_name.text_size = 15
btn_make_name.text_color = "red"

# Show the GUI on the screen, start listening to events.
app.display()