root = Card([header, pollForm])
header = CardHeader("Team Lunch Poll", "Where should we go for lunch on Friday?")
pollForm = Form("lunch-poll", formButtons, [restaurantField])
restaurantField = FormControl("Choose a restaurant", restaurantRadio)
restaurantRadio = RadioGroup("restaurant", [restaurant1, restaurant2, restaurant3])
restaurant1 = RadioItem("Mario's Italian", "Classic pasta and wood-fired pizza", "marios")
restaurant2 = RadioItem("Sakura Sushi", "Fresh sushi rolls and ramen bowls", "sakura")
restaurant3 = RadioItem("Burger Joint", "Gourmet burgers and sweet potato fries", "burgerjoint")
formButtons = Buttons([submitBtn])
submitBtn = Button("Vote", null, "primary")