Examine source code of Carbonation

{
  "theme": {
    "images": {
      "theme_frame": "Carbonation.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Carbonation",
  "manifest_version": 2,
  "description": "Just another Carbon pattern. However, I've added a certain glow to the center so that it stands out more than the traditional dark Carbon patterns. Not to mention the Carbon bits are small. Enjoy."
}