Examine source code of the coffee break

{
  "theme": {
    "images": {
      "theme_frame": "cofee_pose.jpg"
    },
    "colors": {
      "frame": "#bfb3a3",
      "tab_background_text": "#f0e3d1"
    }
  },
  "version": "2.0",
  "name": "the coffee break",
  "manifest_version": 2,
  "description": "LA pose café !\nthe coffee break !"
}