Examine source code of hem-werewolf

{
  "theme": {
    "images": {
      "theme_frame": "fg.jpg"
    },
    "colors": {
      "frame": "#cef2ef",
      "tab_background_text": "#1b44a6"
    }
  },
  "version": "2.0",
  "name": "hem-werewolf",
  "manifest_version": 2,
  "description": "werewolf"
}