Examine source code of blood and dead

{
  "theme": {
    "images": {
      "theme_frame": "INT.jpg"
    },
    "colors": {
      "frame": "#eb1a1a",
      "tab_background_text": "#f70d0d"
    }
  },
  "version": "2.0",
  "name": "blood and dead",
  "manifest_version": 2,
  "description": "blood and dead"
}