Examine source code of Agrotek 2 (Cross Process)

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#fafafa",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Agrotek 2 (Cross Process)",
  "manifest_version": 2,
  "description": "I cannot even imagine where I would be today were it not for that handful of friends who have given me a heart full of joy. Let's face it, friends make life a lot more fun."
}