Examine source code of Fresh Fresh

{
  "name": "Fresh Fresh",
  "version": "0.24resigned1",
  "description": "Keep your browsing experience Fresh",
  "permissions": [
    "activeTab",
    "storage",
    "https://fresh.ilograph.com/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "css": [
        "css/content.css"
      ],
      "run_at": "document_idle",
      "all_frames": false,
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/16_no.png",
      "32": "images/32_no.png",
      "48": "images/48_no.png",
      "128": "images/128_no.png"
    }
  },
  "icons": {
    "16": "images/16.png",
    "32": "images/32.png",
    "48": "images/48.png",
    "128": "images/128.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{7282141e-6ea7-4107-9094-ca3f20f39531}"
    }
  }
}