Examine source code of The Dancer warm down

{
  "theme": {
    "images": {
      "theme_frame": "dancer_hdr.jpg"
    },
    "colors": {
      "frame": "#0e6d80",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The Dancer warm down",
  "manifest_version": 2,
  "description": "Aqua color gradient with dancer's face at right."
}