Examine source code of Happy Cat Purples

{
  "name": "Happy Cat Purples",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "catzbannerfirefoxheadersmollongpurple.png"
    },
    "colors": {
      "frame": "rgba(235, 65, 229, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(196, 113, 209, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1b5f81b1-709a-42e1-8d17-09246feadb1b}"
    }
  }
}