Examine source code of Instance land theme

{
  "name": "Instance land theme",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "RobloxScreenShot20220104_195739331.png"
    },
    "colors": {
      "frame": "rgba(161, 140, 0, 1)",
      "tab_background_text": "rgba(255, 221, 0, 0.5)",
      "toolbar": "rgba(255, 213, 0, 0.44)",
      "bookmark_text": "rgba(173, 173, 173, 1)",
      "toolbar_field": "rgba(255, 221, 0, 0.56)",
      "toolbar_field_text": "rgba(209, 209, 209, 1)",
      "tab_line": "rgba(124, 189, 4, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3878e913-34cc-422d-a77a-f635c9244afc}"
    }
  }
}