Examine source code of Blue Butterfly Border

{
  "theme": {
    "images": {
      "theme_frame": "BlueButterflyBorderH.jpg"
    },
    "colors": {
      "frame": "#82bbed",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Blue Butterfly Border",
  "manifest_version": 2,
  "description": "Blue background with white abstract butterflies. scatter,  \n\nDesigned by MaDonna"
}