Examine source code of Machina Number 2

{
  "theme": {
    "images": {
      "theme_frame": "mchna.png"
    },
    "colors": {
      "frame": "#ff0d0d",
      "tab_background_text": "#111cf0"
    }
  },
  "version": "2.0",
  "name": "Machina Number 2",
  "manifest_version": 2,
  "description": "Number 2"
}