Examine source code of Red Green Pattern

{
  "theme": {
    "images": {
      "theme_frame": "Nov0711_SunDoug_2ndPers.png"
    },
    "colors": {
      "frame": "#945a1c",
      "tab_background_text": "#fce5d2"
    }
  },
  "version": "2.0",
  "name": "Red Green Pattern",
  "manifest_version": 2,
  "description": "Christmas colors, Chocolate brown background"
}