Examine source code of Color Theme | SwiftTheme

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "SwiftTheme",
  "description": "__MSG_extensionDescription__",
  "version": "5",
  "author": "nScript",
  "homepage_url": "https://nscript.ru/swifttheme/",
  "icons": {
    "48": "ast/icon48.png",
    "96": "ast/icon96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "swifttheme@nscript.ru",
      "strict_min_version": "58.0"
    }
  },
  "background": {
    "scripts": [
      "scr/bc.js"
    ]
  },
  "permissions": [
    "storage",
    "theme"
  ],
  "browser_action": {
    "default_icon": {
      "19": "ast/icon19.png",
      "38": "ast/icon38.png"
    },
    "default_title": "SwiftTheme",
    "default_popup": "index.html"
  }
}