Examine source code of en la linea

{
  "theme": {
    "images": {
      "theme_frame": "arbitroheader.jpg"
    },
    "colors": {
      "frame": "#bfb5b5",
      "tab_background_text": "#247d1e"
    }
  },
  "version": "2.0",
  "name": "en la linea",
  "manifest_version": 2,
  "description": "on grass a soccer auxiliar referee stands on the sideline holding a flag and wearing black socks with 3 white stripes."
}