Examine source code of BlackFlash

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "BlackFlash",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(17, 44, 0)",
      "toolbar_text": "rgb(99, 255, 0)",
      "frame": "rgb(74, 75, 74)",
      "tab_background_text": "rgb(145, 145, 145)",
      "toolbar_field": "rgb(238, 253, 229)",
      "toolbar_field_text": "rgb(17, 44, 0)",
      "tab_line": "rgb(99, 255, 0)",
      "popup": "rgb(74, 75, 74)",
      "popup_text": "rgb(99, 255, 0)",
      "button_background_active": "rgb(44, 0, 0)",
      "button_background_hover": "rgb(17, 44, 0)",
      "icons_attention": "rgb(255, 0, 0)",
      "icons": "rgb(99, 255, 0)",
      "popup_border": "rgb(99, 255, 0)",
      "popup_highlight_text": "rgb(255, 0, 0)",
      "popup_highlight": "rgb(99, 255, 0)",
      "sidebar": "rgb(246, 226, 7)",
      "tab_loading": "rgb(246, 7, 239)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{02d9de8a-6231-41b6-b955-940dfd0182a9}"
    }
  }
}