Examine source code of Unicorn Bug

{
  "theme": {
    "images": {
      "theme_frame": "UnicornBug.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#eaed40"
    }
  },
  "version": "2.0",
  "name": "Unicorn Bug",
  "manifest_version": 2,
  "description": "He who fights with monsters might take care lest he thereby become a monster.~Freiderich Nietzsche\n\nTAGS:\n     Fantasy, Insect, Bug, Unicorn, Monster, Halloween, Holidays, Pink, Purple, October"
}