Examine source code of White Animated Kitty

{
  "name": "White Animated Kitty",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "ezgif.com-gif-maker(2).png"
    },
    "colors": {
      "frame": "rgba(44, 47, 57, 1)",
      "tab_background_text": "rgba(191, 198, 208, 1)",
      "toolbar": "rgba(52, 54, 67, 1)",
      "bookmark_text": "rgba(191, 198, 208, 1)",
      "toolbar_field": "rgba(59, 62, 74, 1)",
      "toolbar_field_text": "rgba(191, 198, 208, 1)"
    }
  }
}