Examine source code of Pattern8 Clouds

{
  "theme": {
    "images": {
      "theme_frame": "pattern8cloudsheader.png"
    },
    "colors": {
      "frame": "#abb6b9",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Pattern8 Clouds",
  "manifest_version": 2,
  "description": "A cloud theme using a pattern  from pattern8.com"
}