Examine source code of Batty Bat

{
  "theme": {
    "images": {
      "theme_frame": "BattyBat.jpg"
    },
    "colors": {
      "frame": "#f2eaea",
      "tab_background_text": "#f50a54"
    }
  },
  "version": "2.0",
  "name": "Batty Bat",
  "manifest_version": 2,
  "description": "What is a vampire's favorite dog breed? - A bloodhound!\n\nTAGS:\n     Bats, Animals, Mammals, Humor, Halloween, Holidays, October, Fall, Autumn, Vampires"
}