Examine source code of Catholic - Easter

{
  "name": "Catholic - Easter",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "easter2 copy.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0.28)",
      "tab_background_text": "rgba(3, 3, 3, 1)",
      "toolbar": "rgba(238, 242, 175, 0.29)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(47, 115, 87, 0.28)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d352bf2-9d59-4426-a168-1a57a6dceb0f}"
    }
  }
}