from textual.app import App, ComposeResult from textual.widgets import Static class CenterApp(App): """How to center things.""" CSS = """ Screen { align: center middle; } .words { background: blue 50%; border: wide white; width: auto; } """ def compose(self) -> ComposeResult: yield Static("How about a nice game", classes="words") yield Static("of chess?", classes="words") if __name__ == "__main__": app = CenterApp() app.run()