manifest.json

{
  "manifest_version": 2,
  "name": "Frame It",
  "description": "Allows you to save images and view them inside the extension window for easy access, similar to how one keeps photographs of loved ones inside their wallet.",
  "version": "0.0.1",
  "icons": {
    "64": "icons/mainicon.svg",
    "16": "icons/mainicon.svg",
    "32": "icons/mainicon.svg",
    "48": "icons/mainicon.svg"
  },
  "background": {
    "scripts": ["background_script.js"]
  },
  "browser_action": {
    "default_icon": {
      "64": "icons/icon.svg",
      "16": "icons/icon.svg",
      "32": "icons/icon.svg",
      "48": "icons/icon.svg"
    },
    "theme_icons": [
      {
        "dark": "icons/icon.svg",
        "light": "icons/icon_dark.svg",
        "size": 16
      },
      {
        "dark": "icons/icon.svg",
        "light": "icons/icon_dark.svg",
        "size": 32
      },
      {
        "dark": "icons/icon.svg",
        "light": "icons/icon_dark.svg",
        "size": 64
      },
      {
        "dark": "icons/icon.svg",
        "light": "icons/icon_dark.svg",
        "size": 48
      }
    ],
    "default_popup": "browserAction/firstExtVer.html",
    "default_title": "Frame It"
  },
  "options_ui": {
    "page": "options/index.html"
  },
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["content_script.js"],
      "css": ["content_styles.css"]
    }
  ],
  "permissions": ["contextMenus", "storage"],
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@example.com",
      "strict_min_version": "42.0"
    }
  }
}