Examine source code of Erasure - World Be Gone

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#1e3779",
      "tab_background_text": "#e09424"
    }
  },
  "version": "2.0",
  "name": "Erasure - World Be Gone",
  "manifest_version": 2,
  "description": "Really, was it <i>ever</i> here to begin with...?"
}