Examine source code of Maserati Grey Test

{
  "theme": {
    "images": {
      "theme_frame": "googleMaseratiPersona.png"
    },
    "colors": {
      "frame": "#9a98b5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Maserati Grey Test",
  "manifest_version": 2,
  "description": "Maserati Grey Test"
}