Examine source code of Outlook Lunchbox

{
  "name": "Outlook Lunchbox",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2023-06-28 094401.png"
    },
    "colors": {
      "frame": "rgba(0, 94, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ea4950b4-b4af-49d9-aecb-76d1460486f1}"
    }
  }
}