Examine source code of Misty - my cat

{
  "theme": {
    "images": {
      "theme_frame": "Mistypersonas2-1.jpg"
    },
    "colors": {
      "frame": "#304537",
      "tab_background_text": "#91ccb8"
    }
  },
  "version": "2.0",
  "name": "Misty - my cat",
  "manifest_version": 2,
  "description": "my cat :D"
}