Examine source code of Geforce Nights

{
  "name": "Geforce Nights",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "geforce-2.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(193, 214, 47, 1)",
      "toolbar": "rgba(7, 87, 7, 0.34)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 3, 3, 0.56)",
      "toolbar_field_text": "rgba(193, 214, 47, 1)",
      "tab_line": "rgba(193, 214, 47, 0.53)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{91c7e9c3-065d-4e0c-adea-589bbf0a1d35}"
    }
  }
}