Examine source code of bluebox

{
  "theme": {
    "images": {
      "theme_frame": "bluebox-header.png"
    },
    "colors": {
      "frame": "#154e8c",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "bluebox",
  "manifest_version": 2,
  "description": "bluebox touch"
}