Examine source code of Grandmas Sheets

{
  "theme": {
    "images": {
      "theme_frame": "sheets_top.jpg"
    },
    "colors": {
      "frame": "#9c675f",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Grandmas Sheets",
  "manifest_version": 2,
  "description": "Memories of Grandma's sheets and that fresh scent!  I know it's a \"busy\" print, but it's my first try at doing this."
}