Examine source code of Xrax

{
  "name": "Xrax",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "PicsArt_06-10-05.50.52_102501.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(204, 0, 222, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 0, 217, 1)",
      "toolbar_field": "rgba(13, 9, 9, 0.58)",
      "toolbar_field_text": "rgba(0, 255, 251, 1)",
      "tab_line": "rgba(0, 255, 230, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0adf18db-566b-4e7c-a105-c1b00c166521}"
    }
  }
}