Examine source code of iOS 7 - Blue

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a6dc1",
      "tab_background_text": "#282828"
    }
  },
  "version": "2.0",
  "name": "iOS 7 - Blue",
  "manifest_version": 2,
  "description": "A nice blue to sky blue gradient in the same style of the iOS 7/8 gradient."
}