Examine source code of FCB100

{
  "theme": {
    "images": {
      "theme_frame": "FCB4.jpg"
    },
    "colors": {
      "frame": "#f2f7f6",
      "tab_background_text": "#0e2df5"
    }
  },
  "version": "2.0",
  "name": "FCB100",
  "manifest_version": 2
}