Examine source code of City_Hunter_summer

{
  "theme": {
    "images": {
      "theme_frame": "CityHunter_summer_haut.jpg"
    },
    "colors": {
      "frame": "#424242",
      "tab_background_text": "#f8dc58"
    }
  },
  "version": "2.0",
  "name": "City_Hunter_summer",
  "manifest_version": 2,
  "description": "city hunter\nanime\nmanga"
}