Examine source code of Jethro Style

{
  "theme": {
    "images": {
      "theme_frame": "persona_jethrotull4.png"
    },
    "colors": {
      "frame": "#f2da99",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Jethro Style",
  "manifest_version": 2,
  "description": "Special gift for Jethro Tull fans, especially designed for my best friend, Deniz. Love it ;)"
}