const DELETED_BG_COLOR: Color = Color::from_rgba8(190, 37, 40, 0.25);
const ADDED_BG_COLOR: Color = Color::from_rgba8(47, 148, 11, 0.25);

    DiffAddition,
    DiffDeletion,

            Container::DiffAddition => container::Style {
                background: Some(Background::Color(ADDED_BG_COLOR)),
                ..default()
            },
            Container::DiffDeletion => container::Style {
                background: Some(Background::Color(DELETED_BG_COLOR)),
                ..default()
            },

use crate::{el, Theme};

use crate::{el, theme, Theme};

        LineKind::Added => line,
        // TODO replace with class
        //     .style(|_theme| {
        //     container::background(Background::from(ADDED_BG_COLOR))
        // })
        LineKind::Deleted => line, /* TODO replace with class
                                    *     .style(|_theme| {
                                    *     container::background(Background::from(DELETED_BG_COLOR))
                                    * }) */

        LineKind::Added => line.class(theme::Container::DiffAddition),
        LineKind::Deleted => line.class(theme::Container::DiffDeletion),