Examine source code of Easter Bunny Party

{
  "name": "Easter Bunny Party",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Easter Bunny Party.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(178, 65, 201, 1)",
      "toolbar": "rgba(255, 255, 255, 0.55)",
      "bookmark_text": "rgba(230, 60, 173, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgba(65, 191, 183, 1)",
      "tab_line": "rgba(240, 160, 79, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c82de150-277e-4485-8012-9b11cb4763de}"
    }
  }
}