let text = colorstyle::green("green");
  println!("a {} text", text);

  let text = colorstyle::blue("Blue");
  println!("a {} text\n", text);

  let text = colorstyle::CSS::new().color_red().sprint("red");
  println!("a {} text",text);

  colorstyle::CSS::new().style_italic().color_red().bg_yellow().println("a italic red bgYellow text:  Hello 世界!");

  colorstyle::CSS::new().style_bold().println("a bold text: Hello 世界!");

  colorstyle::CSS::new().style_italic().println("a italic text: Hello 世界!");

  colorstyle::CSS::new().color_magenta().println("a magenta text: Hello 世界!");

  colorstyle::CSS::new().bg_cyan().println("a background color cyan text: Hello 世界!");

  colorstyle::CSS::new().bg_cyan().println("a background color cyan text");
  
  let mut css = colorstyle::CSS::new();
  css.style_strikethrough().println("删除线文本");

  css.style_underline().println("下划线文本");

  css.style_reverse().println("反显文本");