Examine source code of Cat Snack

{
  "theme": {
    "images": {
      "theme_frame": "Cat-Snack-Header.jpg"
    },
    "colors": {
      "frame": "#f28108",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Cat Snack",
  "manifest_version": 2,
  "description": "(tags: cat kitten retro colors colorful vintage country kitchen tabby eyes mouse cute art illustration painting orange brown green pink black white blue purple kitty food heart mice gato gatto chat 猫 feline pretty )"
}