Examine source code of NERV Gray

{
  "theme": {
    "images": {
      "theme_frame": "01cab.png"
    },
    "colors": {
      "frame": "#f2f2f2",
      "tab_background_text": "#525252"
    }
  },
  "version": "2.0",
  "name": "NERV Gray",
  "manifest_version": 2,
  "description": "Persona de NERV en tonalidades claras."
}