Examine source code of GlohsyThemes

{
  "name": "GlohsyThemes",
  "version": "5.5.3.1",
  "description": "Extension to change the theme of the Glohsy software",
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage",
    "*://*.glohsy.com/Glohsy/*"
  ],
  "background": {
    "scripts": [
      "Js/Background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "Html/Popup.html",
    "default_icon": {
      "16": "Picture/Glohsy_16.png",
      "32": "Picture/Glohsy_32.png",
      "48": "Picture/Glohsy_48.png",
      "128": "Picture/Glohsy_128.png"
    }
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "*://*.glohsy.com/Glohsy/*"
      ],
      "js": [
        "Js/Init.js"
      ]
    }
  ],
  "icons": {
    "16": "Picture/Glohsy_16.png",
    "32": "Picture/Glohsy_32.png",
    "48": "Picture/Glohsy_48.png",
    "128": "Picture/Glohsy_128.png"
  },
  "manifest_version": 2
}