Examine source code of Hot Air Balloon

{
  "name": "Hot Air Balloon",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hot-air-balloon.png"
    },
    "colors": {
      "frame": "rgba(184, 112, 235, 1)",
      "tab_background_text": "rgba(23, 125, 123, 0.59)",
      "toolbar": "rgba(208, 214, 192, 1)",
      "bookmark_text": "rgba(60, 167, 186, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{436e5cc7-a24e-4695-8443-35ba88819df0}"
    }
  }
}