Examine source code of Red Christmas Ball

{
  "theme": {
    "images": {
      "theme_frame": "RedChristmasBall2.jpg"
    },
    "colors": {
      "frame": "#125e14",
      "tab_background_text": "#e6f7e6"
    }
  },
  "version": "2.0",
  "name": "Red Christmas Ball",
  "manifest_version": 2
}