Examine source code of Sunburst

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ff8e24",
      "tab_background_text": "#e8e8e8"
    }
  },
  "version": "2.0",
  "name": "Sunburst",
  "manifest_version": 2,
  "description": "This is a simple black and orange design. It is an effect called the sunburst, and is like sun rays out of the, well, sun. Enjoy!"
}