Examine source code of ACWL

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e409f0",
      "tab_background_text": "#0e40f2"
    }
  },
  "version": "2.0",
  "name": "ACWL",
  "manifest_version": 2,
  "description": "This is first time for me to join here and i like FBI"
}