Examine source code of Nier 2b Chilling

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#66365c",
      "tab_background_text": "#fff7fc"
    }
  },
  "version": "2.0",
  "name": "Nier 2b Chilling",
  "manifest_version": 2,
  "description": "2b chilling on a sofa"
}