Examine source code of Perspective

{
  "theme": {
    "images": {
      "theme_frame": "PerspectiveTop.jpg"
    },
    "colors": {
      "frame": "#ff6a14",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Perspective",
  "manifest_version": 2,
  "description": "A spirograph sort of perspective."
}