How to center text in a button

[zmarlon]

Hello, I want to have multiple buttons with a fixed length. The text in this buttons should be centered.

Im currently using this function to show a button:

pub fn menu_button(ui: &mut Ui, text: &str) -> Response {
    egui::Button::new(egui::RichText::new(text).size(48.))
        .rounding(Rounding::ZERO)
        .min_size([250., 60.].into())
        .ui(ui)
}

Unfortunately, I have not yet found a way to ensure that the text in this fixed size button does not start on the left, but centered in the middle. How can this be realized?