Examine source code of Bunny Easter by M♥Donna

{
  "name": "Bunny Easter by M♥Donna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Bunny Easter.jpg"
    },
    "colors": {
      "frame": "rgba(91, 50, 66, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(92, 51, 66, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(92, 51, 66, 0.1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e0d05896-7707-419f-8d89-60c2b4f49e46}"
    }
  }
}