Examine source code of Foxkeh Summer

{
  "theme": {
    "images": {
      "theme_frame": "FoxkehSwimmingNaturePersona.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Foxkeh Summer",
  "manifest_version": 2,
  "description": "Hope you enjoyed your summer Foxkeh! Remember this summer with this wonderful persona based on nature and Foxkeh!"
}