Examine source code of Coloured Space Clouds

{
  "theme": {
    "images": {
      "theme_frame": "space_header_jpg.jpg"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Coloured Space Clouds",
  "manifest_version": 2,
  "description": "A photoshop rendered space like image in which features different coloured clouds and a load of stars"
}