Examine source code of SAW - Oh Yes...

{
  "theme": {
    "images": {
      "theme_frame": "saw2-persona.JPG"
    },
    "colors": {
      "frame": "#757575",
      "tab_background_text": "#c9c9c9"
    }
  },
  "version": "2.0",
  "name": "SAW - Oh Yes...",
  "manifest_version": 2,
  "description": "The Rules Of The Game Are Simple. The Consequences for Breaking Them Are Great: Death.\n\nGreetings to all the (Jig-)SAW worshippers who read this!\n\nPuzzlePrincess@gmx.de"
}