Examine source code of Transistor

{
  "name": "Transistor",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "test.png"
    },
    "colors": {
      "frame": "rgba(0, 71, 41, 0.5)",
      "tab_background_text": "rgba(0, 107, 62, 1)",
      "toolbar": "rgba(0, 71, 43, 0.3)",
      "bookmark_text": "rgba(0, 249, 145, 1)",
      "toolbar_field": "rgba(0, 250, 154, 0.2)",
      "toolbar_field_text": "rgba(239, 154, 3, 1)",
      "tab_line": "rgba(0, 249, 145, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c46020c0-517e-4749-b6fc-d3b27ce3d72f}"
    }
  }
}