Examine source code of Pixie-green

{
  "theme": {
    "images": {
      "theme_frame": "Persona_pixiegreen.jpg"
    },
    "colors": {
      "frame": "#5c7301",
      "tab_background_text": "#cfba34"
    }
  },
  "version": "2.0",
  "name": "Pixie-green",
  "manifest_version": 2,
  "description": "montage perso de Pixie dans l'herbe..."
}