Examine source code of cartagena

{
  "theme": {
    "images": {
      "theme_frame": "arriba.jpg"
    },
    "colors": {
      "frame": "#07d90e",
      "tab_background_text": "#b50606"
    }
  },
  "version": "2.0",
  "name": "cartagena",
  "manifest_version": 2,
  "description": "Vamos Cartagena, vamos campeon, laaaaaaaaaaaa, lalalaaaaaaaaaaaaaaaaaa, la, la, lala, laaaaaaa, vamos cartagena vamos campeon!!!!!"
}