Examine source code of Wizmage Image Hider

{
  "name": "Wizmage Image Hider",
  "short_name": "Wizmage",
  "version": "2.8.18",
  "manifest_version": 2,
  "description": "Wizmage hides images in a way that minimizes the impact on the user's browsing experience.",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon-d.png",
    "default_title": "Overlay Images",
    "default_popup": "popup.htm"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.htm"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js.js"
      ],
      "css": [
        "css.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "permissions": [
    "tabs"
  ],
  "web_accessible_resources": [
    "pattern0.png",
    "pattern1.png",
    "pattern2.png",
    "pattern3.png",
    "pattern4.png",
    "pattern5.png",
    "pattern6.png",
    "pattern7.png",
    "pattern-light0.png",
    "pattern-light1.png",
    "pattern-light2.png",
    "pattern-light3.png",
    "pattern-light4.png",
    "pattern-light5.png",
    "pattern-light6.png",
    "pattern-light7.png",
    "eye.svg",
    "undo.png",
    "css.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e0cbd13f-9dcf-435d-a722-f63f1db749bf}"
    }
  }
}