Examine source code of ProtestWinter

{
  "theme": {
    "images": {
      "theme_frame": "ProtestFireFoxHeader.jpg"
    },
    "colors": {
      "frame": "#007bff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "ProtestWinter",
  "manifest_version": 2,
  "description": "I made this Persona for my brother, who's a realy big fan of Protest and i hope alsow other fans of Protest will enjoy it."
}