Examine source code of Cat Kittycat Easter_Katze Kittycat Ostern

{
  "theme": {
    "images": {
      "theme_frame": "kittycat_ostern_k.jpg"
    },
    "colors": {
      "frame": "#fc0505",
      "tab_background_text": "#03255c"
    }
  },
  "version": "2.0",
  "name": "Cat Kittycat Easter_Katze Kittycat Ostern",
  "manifest_version": 2,
  "description": "Die Katze Kittycat mit einem Osterei/Cat Kittycat with an Easter egg"
}