Examine source code of Vintage1

{
  "theme": {
    "images": {
      "theme_frame": "Vintageh1.jpg"
    },
    "colors": {
      "frame": "#e8d8c1",
      "tab_background_text": "#48382a"
    }
  },
  "version": "2.0",
  "name": "Vintage1",
  "manifest_version": 2,
  "description": "Vintage paper with bits of old-fashioned text."
}