message: Use default styles in `styling` example
diff: @@ -43,10 +43,7 @@ impl Sandbox for Styling {
  fn view(&mut self) -> Element<Message> {
  let choose_theme = style::Theme::ALL.iter().fold(
  - Column::new()
  - .width(Length::Shrink)
  - .spacing(10)
  - .push(Text::new("Choose a theme:").width(Length::Shrink)),
  + Column::new().spacing(10).push(Text::new("Choose a theme:")),
  |column, theme| {
  column.push(Radio::new(
  *theme,
  @@ -111,7 +108,7 @@ mod style {
  impl From<Theme> for Box<dyn container::StyleSheet> {
  fn from(theme: Theme) -> Self {
  match theme {
  - Theme::Light => light::Container.into(),
  + Theme::Light => Default::default(),
  Theme::Dark => dark::Container.into(),
  }
  }
  @@ -120,7 +117,7 @@ mod style {
  impl From<Theme> for Box<dyn text_input::StyleSheet> {
  fn from(theme: Theme) -> Self {
  match theme {
  - Theme::Light => light::TextInput.into(),
  + Theme::Light => Default::default(),
  Theme::Dark => dark::TextInput.into(),
  }
  }
  @@ -136,44 +133,7 @@ mod style {
  }
  mod light {
  - use iced::{button, container, text_input, Background, Color, Vector};
  -
  - pub struct Container;
  -
  - impl container::StyleSheet for Container {
  - fn style(&self) -> container::Style {
  - container::Style::default()
  - }
  - }
  -
  - pub struct TextInput;
  -
  - impl text_input::StyleSheet for TextInput {
  - fn active(&self) -> text_input::Style {
  - text_input::Style {
  - background: Background::Color(Color::WHITE),
  - border_radius: 5,
  - border_width: 1,
  - border_color: Color::from_rgb(0.7, 0.7, 0.7),
  - }
  - }
  -
  - fn focused(&self) -> text_input::Style {
  - text_input::Style {
  - border_width: 1,
  - border_color: Color::from_rgb(0.5, 0.5, 0.5),
  - ..self.active()
  - }
  - }
  -
  - fn placeholder_color(&self) -> Color {
  - Color::from_rgb(0.7, 0.7, 0.7)
  - }
  -
  - fn value_color(&self) -> Color {
  - Color::from_rgb(0.3, 0.3, 0.3)
  - }
  - }
  + use iced::{button, Background, Color, Vector};
  pub struct Button;
  