Examine source code of Baddads Pretty boy

{
  "theme": {
    "images": {
      "theme_frame": "Prettyboy.jpg"
    },
    "colors": {
      "frame": "#030000",
      "tab_background_text": "#f6fcc2"
    }
  },
  "version": "2.0",
  "name": "Baddads Pretty boy",
  "manifest_version": 2,
  "description": "This incredible, digital, extra large  picture can not stay in one Persona. Segment from Baddad's \"Pretty boy\". Computer art."
}