Examine source code of Hamburg Freezers

{
  "theme": {
    "images": {
      "theme_frame": "3.png"
    },
    "colors": {
      "frame": "#656769",
      "tab_background_text": "#3aeff2"
    }
  },
  "version": "2.0",
  "name": "Hamburg Freezers",
  "manifest_version": 2,
  "description": "ice hockey hamburg freezers"
}