Examine source code of Gingerbread Houses

{
  "name": "Gingerbread Houses",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "GingerHouses.jpg"
    },
    "colors": {
      "frame": "#a9d6e5",
      "tab_background_text": "#005f87",
      "toolbar": "rgba(54, 184, 224, 0.1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(79, 79, 79, 1)"
    }
  }
}