Examine source code of Papaver commutatum

{
  "theme": {
    "images": {
      "theme_frame": "PapaverHead.jpg"
    },
    "colors": {
      "frame": "#a3a3a3",
      "tab_background_text": "#f7eeb4"
    }
  },
  "version": "2.0",
  "name": "Papaver commutatum",
  "manifest_version": 2
}