Examine source code of Cement Fox

{
  "theme": {
    "images": {
      "theme_frame": "Cement.jpg"
    },
    "colors": {
      "frame": "#bab1b1",
      "tab_background_text": "#f7f7f7"
    }
  },
  "version": "2.0",
  "name": "Cement Fox",
  "manifest_version": 2,
  "description": "Gray cement theme."
}