Examine source code of Bleach Valentine

{
  "theme": {
    "images": {
      "theme_frame": "bleach4.jpg"
    },
    "colors": {
      "frame": "#5e08ff",
      "tab_background_text": "#9e30ff"
    }
  },
  "version": "2.0",
  "name": "Bleach Valentine",
  "manifest_version": 2,
  "description": "Ulquiorra, Grimmjow, Renji, Byakuya, and of course, Ichigo. Made form a wallpaper since it had the best resolution. I dunno who made the wallpaper, though. Optimized for 1024x768."
}