Examine source code of west coast Mx

{
  "theme": {
    "images": {
      "theme_frame": "firefox_test2.jpg"
    },
    "colors": {
      "frame": "#5979ba",
      "tab_background_text": "#030000"
    }
  },
  "version": "2.0",
  "name": "west coast Mx",
  "manifest_version": 2,
  "description": "West Coast Customs Mexico"
}