Examine source code of Study Session Tracker

{
  "manifest_version": 2,
  "name": "Study Session Tracker",
  "version": "1.0",
  "description": "Study Session Tracker is extension Track study sessions and generate reports on study habits.",
  "permissions": [],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "images/study-logo.png"
    }
  },
  "icons": {
    "128": "images/study-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6fd5270-a9d5-4e37-8cb9-fafe20525861}"
    }
  }
}