Examine source code of snowboarder backlight

{
  "theme": {
    "images": {
      "theme_frame": "wouter_back_nieuw.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "snowboarder backlight",
  "manifest_version": 2,
  "description": "black and white picture with silhouette of snowboarder with the sun in his back"
}