Examine source code of New Model Army

{
  "theme": {
    "images": {
      "theme_frame": "NewModelArmypersona.jpg"
    },
    "colors": {
      "frame": "#e8a807",
      "tab_background_text": "#f7f3b9"
    }
  },
  "version": "2.0",
  "name": "New Model Army",
  "manifest_version": 2,
  "description": "English Civil War re-enactment scene"
}