Examine source code of mosa

{
  "name": "Title (1)",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Title (1).jpg"
    },
    "colors": {
      "frame": "rgba(98, 128, 199, 1)",
      "tab_background_text": "rgba(82, 81, 81, 1)",
      "toolbar": "rgba(171, 75, 75, 1)",
      "bookmark_text": "rgba(112, 103, 103, 1)",
      "toolbar_field": "rgba(78, 72, 242, 1)",
      "toolbar_field_text": "rgba(255, 87, 87, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fdb05a4d-720b-41dc-9a5f-0f0c9b3f3b78}"
    }
  }
}