Examine source code of Purple Hazzze

{
  "theme": {
    "images": {
      "theme_frame": "disco-fractal-wallpaper2.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#c9c9c9"
    }
  },
  "version": "2.0",
  "name": "Purple Hazzze",
  "manifest_version": 2,
  "description": "Blue, purple, pink haze"
}