Examine source code of Light Swirls

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Light Swirls",
  "manifest_version": 2,
  "description": "I do not claim credits for this content. This was originally a wallpaper but I find it nice, so I decided to implement this into a Persona for sharing"
}