Examine source code of 80s retro

{
  "name": "80s retro",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screen Shot 2023-01-18 at 6.28.50 AM.png"
    },
    "colors": {
      "frame": "rgba(88, 168, 164, 1)",
      "tab_background_text": "rgba(88, 168, 151, 1)",
      "toolbar": "rgba(245, 173, 49, 1)",
      "bookmark_text": "rgba(82, 168, 157, 1)",
      "toolbar_field": "rgba(255, 239, 191, 1)",
      "toolbar_field_text": "rgba(242, 174, 56, 1)",
      "tab_line": "rgba(196, 142, 67, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f5beda50-fa53-4f7e-8630-bc5ee725e24f}"
    }
  }
}