Examine source code of DropKick

{
  "theme": {
    "images": {
      "theme_frame": "dropkick_head.jpg"
    },
    "colors": {
      "frame": "#595656",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "DropKick",
  "manifest_version": 2,
  "description": "DropKick, 4-line-kite of Elliott"
}