Examine source code of Outfitstee

{
  "applications": {
    "gecko": {
      "strict_min_version": "58.0a1",
      "id": "{00301722-d49d-4079-9144-9764a78129d7}"
    }
  },
  "browser_action": {
    "browser_style": true,
    "default_title": "Outfitstee",
    "default_icon": {
      "128": "icons/logo128.png"
    },
    "default_popup": "main.html"
  },
  "description": "Classic Shop - Outfitstee - Designer fashion t-shirt",
  "homepage_url": "https://outfitstee.com/",
  "manifest_version": 2,
  "name": "Outfitstee",
  "version": "1.0",
  "icons": {
    "32": "icons/logo32.png",
    "64": "icons/logo64.png",
    "128": "icons/logo128.png"
  }
}