Examine source code of Corporate Lines

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#517bd6",
      "tab_background_text": "#212121"
    }
  },
  "version": "2.0",
  "name": "Corporate Lines",
  "manifest_version": 2,
  "description": "A first attempt at creating a corporate look"
}