Examine source code of Blue with Snow

{
  "theme": {
    "images": {
      "theme_frame": "blueflakesheader.jpg"
    },
    "colors": {
      "frame": "#bacbe8",
      "tab_background_text": "#02050d"
    }
  },
  "version": "2.0",
  "name": "Blue with Snow",
  "manifest_version": 2,
  "description": "simple snowflakes in blue."
}