Examine source code of dios bros

{
  "theme": {
    "images": {
      "theme_frame": "nio.png"
    },
    "colors": {
      "frame": "#4a4343",
      "tab_background_text": "#545050"
    }
  },
  "version": "2.0",
  "name": "dios bros",
  "manifest_version": 2,
  "description": "is cool"
}