Examine source code of legiun ALOS

{
  "theme": {
    "images": {
      "theme_frame": "legiunalos.jpg"
    },
    "colors": {
      "frame": "#0b42cf",
      "tab_background_text": "#fc0303"
    }
  },
  "version": "2.0",
  "name": "legiun ALOS",
  "manifest_version": 2,
  "description": "i made this personas firefox present for my gruop..\n\nALOS..\n\nthanks a lot for team personas..\nnow i can dressing up my mozilla with my own design ^^,\nwish U all the best ever.."
}