Examine source code of Bursting Planet

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#cff011",
      "tab_background_text": "#f70000"
    }
  },
  "version": "2.0",
  "name": "Bursting Planet",
  "manifest_version": 2,
  "description": "It is a theme showing a Bursting Planet. It will give your borwser a Fire flesh."
}