Examine source code of Tallbike

{
  "theme": {
    "images": {
      "theme_frame": "personaTallbike.jpg"
    },
    "colors": {
      "frame": "#27b020",
      "tab_background_text": "#32a4b5"
    }
  },
  "version": "2.0",
  "name": "Tallbike",
  "manifest_version": 2,
  "description": "my first one"
}