Examine source code of Calm Winters Night

{
  "theme": {
    "images": {
      "theme_frame": "CalmWintersNightHCustom.jpg"
    },
    "colors": {
      "frame": "#a9c5eb",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Calm Winters Night",
  "manifest_version": 2,
  "description": "winter, snow, snowman, house, trees, snow, snowing, home, warm, Christmas, trees, blue, sky, night, home,"
}