Examine source code of Aragon Learning

{
  "name": "TAS_08_01_53",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "TAS_08_01_53.jpg"
    },
    "colors": {
      "frame": "rgba(152, 245, 169, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{115da3e5-a8d2-48e8-9408-1f7e13cbe1d9}"
    }
  }
}