Examine source code of simone

{
  "theme": {
    "images": {
      "theme_frame": "woren.jpg"
    },
    "colors": {
      "frame": "#058af0",
      "tab_background_text": "#cc1d1d"
    }
  },
  "version": "2.0",
  "name": "simone",
  "manifest_version": 2,
  "description": "Mi primer diseño para mi navegador favorito \"Firefox\""
}