Examine source code of Ice Gold

{
  "name": "Ice",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled23_20221202152525.png"
    },
    "colors": {
      "frame": "rgba(62, 81, 201, 1)",
      "tab_background_text": "rgba(0, 85, 255, 0.58)",
      "toolbar": "rgba(0, 255, 230, 0.26)",
      "bookmark_text": "rgba(60, 0, 224, 0.43)",
      "toolbar_field": "rgba(25, 94, 232, 0.14)",
      "toolbar_field_text": "rgba(13, 81, 133, 1)",
      "tab_line": "rgba(26, 0, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{534856c6-9493-4a83-95c8-595fe7f366b9}"
    }
  }
}