Examine source code of MCR Killjoys

{
  "theme": {
    "images": {
      "theme_frame": "KillJoys3copy.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "MCR Killjoys",
  "manifest_version": 2,
  "description": "The My Chemical Romance Killjoy symbols: Fun Ghoul, Party Poison, Kobra Kid and Jet Star.  MCR all the Way!! (Haaah, bad pun.)"
}