Examine source code of Christmas Nature

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#011703",
      "tab_background_text": "#35ff08"
    }
  },
  "version": "2.0",
  "name": "Christmas Nature",
  "manifest_version": 2,
  "description": "Christmas theme without to much blinking stuff wich get annoying after a couple of minutes... Just green christmastree"
}