Examine source code of Blue Themezer

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue Themezer",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(8, 52, 145)",
      "toolbar_text": "rgb(133, 202, 215)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(115, 191, 204)",
      "toolbar_field": "rgb(7, 30, 53)",
      "toolbar_field_text": "rgb(100, 219, 240)",
      "tab_line": "rgb(22, 111, 130)",
      "popup": "rgb(5, 7, 45)",
      "popup_text": "rgb(123, 237, 237)",
      "tab_loading": "rgb(22, 111, 130)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fcb95a6d-501e-4a17-90db-c16988aa1010}"
    }
  }
}