Examine source code of T-Rex on White

{
  "theme": {
    "images": {
      "theme_frame": "trex-header-1.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "T-Rex on White",
  "manifest_version": 2,
  "description": "Tyrannosaurus Rex skeleton from the permanent collection at the Royal Ontario Museum, in Toronto, Canada.\n\nSimple headshot on white. Photo copyright Johnathan Nightingale, 2008."
}