Examine source code of Bear Mountain 2

{
  "name": "Bear Mountain 2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "panoramic-view-overlook-autumn-bear-mountain-bridge-hudson-valley-river-bear-mountain-state-park-new-york-52270806(1).jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10ba8842-9d2d-4eec-9c9b-c0e85062a2e0}"
    }
  }
}