Examine source code of smooth and easy

{
  "theme": {
    "images": {
      "theme_frame": "pershead.png"
    },
    "colors": {
      "frame": "#736d6d",
      "tab_background_text": "#383535"
    }
  },
  "version": "2.0",
  "name": "smooth and easy",
  "manifest_version": 2,
  "description": "it may not be easy to see but it's smooth..."
}