Examine source code of Sasuke-Dark

{
  "name": "Sasuke Dark",
  "author": "Sinchan",
  "manifest_version": 2,
  "version": "2.4",
  "description": "Sasuke Uchicha, Sharingan (Naruto Shippuden)",
  "theme": {
    "images": {
      "theme_frame": "sasuke.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "frame_inactive": "rgba(0, 0, 0, 1)",
      "tab_text": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "tab_line": "#b3b3b3",
      "tab_loading": "#b3b3b3",
      "toolbar": "rgba(35, 35, 35, 0.6)",
      "toolbar_top_separator": "rgba(35, 35, 35, 0)",
      "toolbar_bottom_separator": "rgba(35, 35, 35, 1)",
      "toolbar_vertical_separator": "rgba(35, 35, 35, 1)",
      "toolbar_field": "rgba(18, 18, 18, 0.6)",
      "toolbar_field_text": "rgba(200, 200, 200, 1)",
      "toolbar_field_border": "rgba(18, 18, 18, 1)",
      "toolbar_field_separator": "rgba(18, 18, 18, 0.2)",
      "toolbar_field_focus": "rgba(18, 18, 18, 1)",
      "toolbar_field_border_focus": "rgba(30, 30, 30, 1)",
      "button_background_hover": "rgba(200, 200, 200, 0.12)",
      "button_background_active": "rgba(255, 255, 255, 0.15)",
      "icons": "rgb(169, 169, 169)",
      "bookmark_text": "rgba(180, 180, 180, 1)",
      "popup": "rgba(18, 18, 18, 1)",
      "popup_text": "rgba(200, 200, 200, 1)",
      "popup_border": "rgba(18, 18, 18, 1)",
      "popup_highlight": "#21252B",
      "popup_highlight_text": "rgba(255, 255, 255, 1)",
      "ntp_background": "rgba(18, 18, 18, 1)",
      "ntp_text": "rgba(180, 180, 180, 1)",
      "sidebar": "rgba(35, 35, 35, 1)",
      "sidebar_text": "rgba(180, 180, 180, 1)",
      "sidebar_border": "rgba(18, 18, 18, 1)",
      "sidebar_highlight": "#21252B",
      "sidebar_highlight_text": "rgba(180, 180, 180, 1)"
    }
  }
}