Examine source code of Dr. Mabuse

{
  "theme": {
    "images": {
      "theme_frame": "drmabuse.jpg"
    },
    "colors": {
      "frame": "#a7fc58",
      "tab_background_text": "#773fe8"
    }
  },
  "version": "2.0",
  "name": "Dr. Mabuse",
  "manifest_version": 2,
  "description": "From the Propaganda album A Secret Wish."
}