Examine source code of YellowPlas

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffff00",
      "tab_background_text": "#002182"
    }
  },
  "version": "2.0",
  "name": "YellowPlas",
  "manifest_version": 2,
  "description": "A surface with abstract yellow and white plasma clouds.\n\nEine Fläche mit abstrakten weißen und gelben Wolken.\n\nUne surface avec des nuages blanc et jaune."
}