Examine source code of Smokey Shadow

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#2166a0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Smokey Shadow",
  "manifest_version": 2,
  "description": "It is like a Shadow disapearing into the dark.\nThats why i called it ¨Smokey Shadow¨\n\nI enjoyed making it, Hope you enjoy useing it :)"
}