Examine source code of Black Orange

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_KREATYWNIE_ORG.jpg"
    },
    "colors": {
      "frame": "#ffb700",
      "tab_background_text": "#f2f2f2"
    }
  },
  "version": "2.0",
  "name": "Black Orange",
  "manifest_version": 2,
  "description": "my first Persona in black-orange mood"
}