from guizero import App, Text
app = App(title="Hi there")

firstmessage = Text(app, text="This is big text")
secondmessage = Text(app, text="This is green")
thirdmessage = Text(app, text="Fnord")

firstmessage.text_size = 40
firstmessage.text_color = "red"
secondmessage.bg = "green"
thirdmessage.font = "wingdings"

app.display()