Examine source code of Bookmark Manager and Homepage - myMark.me

{
  "applications": {
    "gecko": {
      "id": "{47f0fe68-5290-4f04-842b-61826c625b72}",
      "strict_min_version": "60.0"
    }
  },
  "manifest_version": 2,
  "name": "myMark.me",
  "description": "Simple and Smart way to organize all your bookmarks in one Place. Access all your favorite bookmarks from any device or browser",
  "version": "2.3",
  "author": "mymark.me",
  "background": {
    "scripts": [
      "jquery.min.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "jquery.min.js",
        "/scripts/modal_src.js",
        "/scripts/content_openBookmark.js",
        "content.js"
      ],
      "css": [
        "/css/font-awesome.css",
        "/css/modal_src_myMark.css"
      ],
      "all_frames": false,
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "browser_style": false,
    "default_icon": "icon16x16.png"
  },
  "chrome_url_overrides": {
    "newtab": "/html/myPage.html"
  },
  "icons": {
    "16": "icon16x16.png",
    "48": "icon48x48.png",
    "128": "icon128x128.png"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "http://*/*"
  ],
  "web_accessible_resources": [
    "/images/*.*",
    "/html/*.*",
    "/fonts/*",
    "/css/*.css"
  ]
}