Examine source code of Ocean Bottom Lighter

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ocean Bottom Lighter",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(13, 14, 25)",
      "toolbar_text": "rgb(156, 168, 210)",
      "frame": "rgb(4, 5, 17)",
      "tab_background_text": "rgb(75, 82, 150)",
      "toolbar_field": "rgb(25, 28, 64)",
      "toolbar_field_text": "rgb(78, 92, 183)",
      "tab_line": "rgba(93, 71, 237, 0.67)",
      "popup": "rgba(39, 42, 70, 0.94)",
      "popup_text": "rgb(106, 113, 195)",
      "icons": "rgb(90, 92, 162)",
      "popup_border": "rgb(79, 67, 174)",
      "popup_highlight_text": "rgb(129, 133, 184)",
      "popup_highlight": "rgb(61, 64, 94)",
      "toolbar_field_border_focus": "rgb(79, 67, 174)",
      "toolbar_field_text_focus": "rgb(101, 108, 179)",
      "tab_loading": "rgba(93, 71, 237, 0.67)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9fba4499-e0ee-4a34-af79-0cbbac252b77}"
    }
  }
}