Examine source code of x-Princess-x

{
  "theme": {
    "images": {
      "theme_frame": "Header.png"
    },
    "colors": {
      "frame": "#540431",
      "tab_background_text": "#f70d95"
    }
  },
  "version": "2.0",
  "name": "x-Princess-x",
  "manifest_version": 2,
  "description": "A cute design :)"
}