Function grid_style

examples/themes_and_styles.rs:383–389

(major: Color, minor: Color, sub_minor: Color)

}

fn grid_style(major: Color, minor: Color, sub_minor: Color) -> GridStyle {
    GridStyle {
        major,
        minor,
        sub_minor,
    }
}

fn with_alpha(color: Color, alpha: f32) -> Color {
    Color { a: alpha, ..color }