Examine source code of Shirt Art

{
  "theme": {
    "images": {
      "theme_frame": "personabanner2.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#77ff00"
    }
  },
  "version": "2.0",
  "name": "Shirt Art",
  "manifest_version": 2,
  "description": "Designed from one of our t-shirt designs. enjoy. If you like, request more."
}