Examine source code of Walrecht Crest

{
  "theme": {
    "images": {
      "theme_frame": "lightweighttheme-header.jpg"
    },
    "colors": {
      "frame": "#474747",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Walrecht Crest",
  "manifest_version": 2,
  "description": "The Walrecht family crest, combined with a Dutch flag, with a gradient from the original into the modern colors."
}