Examine source code of creation background

{
  "theme": {
    "images": {
      "theme_frame": "creationheader.jpg"
    },
    "colors": {
      "frame": "#ba6d29",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "creation background",
  "manifest_version": 2,
  "description": "creation"
}