Examine source code of Blue Nova

{
  "theme": {
    "images": {
      "theme_frame": "TopBar2.png"
    },
    "colors": {
      "frame": "#c9cfff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Blue Nova",
  "manifest_version": 2,
  "description": "Blue nova gradient effect. Simple design with a touch of flavor."
}