Examine source code of bmw lover

{
  "name": "bmw lover",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "bmw.jpg"
    },
    "colors": {
      "frame": "rgba(168, 168, 168, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(133, 131, 131, 0.82)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d1feea4a-10c1-4670-a2fe-967cace77008}"
    }
  }
}