Examine source code of Red Depth

{
  "theme": {
    "images": {
      "theme_frame": "Persona.png"
    },
    "colors": {
      "frame": "#b3a6a6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Red Depth",
  "manifest_version": 2,
  "description": "A simple design in maroon - looks fairly good on widescreen resolutions."
}