Examine source code of violett spreckle

{
  "name": "violett spreckle",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "violet_gesprenkelt.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{afb92b3c-2e64-4afa-b1ce-2a972605d9a8}"
    }
  }
}