Examine source code of Angel Kitties

{
  "name": "Angel Kitties",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Angel Kitties.png"
    },
    "colors": {
      "frame": "rgba(175, 226, 227, 1)",
      "tab_background_text": "rgba(59, 144, 184, 1)",
      "toolbar": "rgba(177, 227, 230, 0.48)",
      "bookmark_text": "rgba(59, 144, 184, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.37)",
      "toolbar_field_text": "rgba(42, 183, 196, 1)",
      "tab_line": "rgba(230, 224, 37, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{68ec7ca9-27ad-4fbb-a78f-6b672d5f79b1}"
    }
  }
}