Examine source code of cat fox

{
  "theme": {
    "images": {
      "theme_frame": "catfox2remix.jpg"
    },
    "colors": {
      "frame": "#9e3b05",
      "tab_background_text": "#fcb441"
    }
  },
  "version": "2.0",
  "name": "cat fox",
  "manifest_version": 2,
  "description": "albus the foxlike cat, red, brown, yellow, orange, fire colours, cute, sleeping cat, curled up like a little ball of fur"
}