Examine source code of Easter Sunday by MaDonna

{
  "name": "Easter Sunday by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "EasterSundayH.jpg"
    },
    "colors": {
      "frame": "rgba(178, 250, 255, 1)",
      "tab_background_text": "#000000",
      "toolbar": "rgba(178, 247, 255, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(178, 247, 255, 0.09)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e90b3bb-ba08-4ba1-a160-d66eb7816f1e}"
    }
  }
}