Examine source code of chewtode black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "chewtode black",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(45, 46, 54)",
      "toolbar_text": "rgb(211, 217, 227)",
      "frame": "rgb(123, 127, 204)",
      "tab_background_text": "rgb(45, 46, 54)",
      "toolbar_field": "rgb(45, 46, 54)",
      "toolbar_field_text": "rgb(211, 217, 227)",
      "tab_line": "rgb(179, 215, 138)",
      "popup": "rgb(45, 46, 54)",
      "popup_text": "rgb(179, 215, 138)",
      "tab_loading": "rgb(179, 215, 138)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9ff7cf32-18d5-4747-b4cb-91d31841e211}"
    }
  }
}