Examine source code of TSTHCM

{
  "name": "TST",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2023-03-16 165106.png"
    },
    "colors": {
      "frame": "rgba(39, 44, 140, 1)",
      "tab_background_text": "rgba(133, 191, 25, 1)",
      "toolbar": "rgba(43, 158, 133, 1)",
      "bookmark_text": "rgba(189, 90, 90, 1)",
      "toolbar_field": "rgba(224, 224, 224, 1)",
      "toolbar_field_text": "rgba(47, 117, 82, 1)",
      "tab_line": "rgba(201, 235, 50, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5911e2ff-5d7e-433c-9c0f-65f55a0df690}"
    }
  }
}