Examine source code of Mystifying Eyes

{
  "name": "Mystifying Eyes",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "MystifyingEyesH.jpg"
    },
    "colors": {
      "frame": "rgba(43, 43, 43, 1)",
      "tab_background_text": "rgba(45, 250, 195, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(26, 26, 26, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(150, 182, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{15e54072-d84c-48e2-9734-a691718502e8}"
    }
  }
}