Examine source code of crearc

{
  "theme": {
    "images": {
      "theme_frame": "browserheader.jpg"
    },
    "colors": {
      "frame": "#e0e6e9",
      "tab_background_text": "#8a9096"
    }
  },
  "version": "2.0",
  "name": "crearc",
  "manifest_version": 2,
  "description": "Slick style with neat spherical objects and magnificent curves."
}