Examine source code of vermont seasons

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#0d5708"
    }
  },
  "version": "2.0",
  "name": "vermont seasons",
  "manifest_version": 2,
  "description": "A change in seasons in Vermont. Pictures of big places in Vermont. Also some of the things Vermonters love."
}