Examine source code of Axis Power Hetalia- Group

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_3LABS.png"
    },
    "colors": {
      "frame": "#3b3a3a",
      "tab_background_text": "#3b3a3a"
    }
  },
  "version": "2.0",
  "name": "Axis Power Hetalia- Group",
  "manifest_version": 2,
  "description": "Art to rightful owner."
}