Rather

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Rather",
  "version": "11.1",
  "description": "Replace the things you hate on social media with things you'd rather see, like cats.",
  "homepage_url": "http://www.getrather.com",
  "icons": {
    "16": "assets/images/icons/icon_bg_16.png",
    "48": "assets/images/icons/icon_bg_48.png",
    "128": "assets/images/icons/icon_bg_128.png"
  },
  "permissions": [
    "notifications",
    "storage",
    "*://*/*"
  ],
  "browser_action": {
    "default_icon": {
      "19": "assets/images/icons/icon19.png",
      "38": "assets/images/icons/icon38.png"
    },
    "default_title": "Rather",
    "default_popup": "rather.html"
  },
  "background": {
    "scripts": [
      "assets/js/plugins.js",
      "assets/js/main.js",
      "assets/js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*",
        "*://facebook.com/*"
      ],
      "css": [
        "assets/css/inject.css"
      ],
      "js": [
        "assets/js/plugins.js",
        "assets/js/main.js",
        "assets/js/inject.js",
        "assets/js/inject.facebook.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://twitter.com/*"
      ],
      "css": [
        "assets/css/inject.css"
      ],
      "js": [
        "assets/js/plugins.js",
        "assets/js/main.js",
        "assets/js/inject.js",
        "assets/js/inject.twitter.js"
      ],
      "run_at": "document_end"
    }
  ],
  "offline_enabled": false,
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://platform.twitter.com https://connect.facebook.net; object-src 'self'"
}