Examine source code of good memorize

{
  "name": "good day ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "good day.jpg"
    },
    "colors": {
      "frame": "rgba(29, 90, 235, 1)",
      "tab_background_text": "rgba(118, 196, 170, 1)",
      "toolbar": "rgba(117, 119, 230, 1)",
      "bookmark_text": "rgba(230, 156, 156, 1)",
      "toolbar_field": "rgba(212, 189, 189, 1)",
      "toolbar_field_text": "rgba(119, 119, 138, 1)",
      "tab_line": "rgba(235, 164, 164, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0fc04273-bbf5-46d9-b595-95ec3f7c00dc}"
    }
  }
}