Examine source code of 2022 New Year

{
  "name": "2022 New Year",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "New Years.jpg"
    },
    "colors": {
      "frame": "rgba(232, 233, 235, 1)",
      "tab_background_text": "rgba(179, 156, 102, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(228, 136, 242, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(184, 130, 55, 1)",
      "tab_line": "rgba(245, 235, 235, 1)"
    }
  }
}