Examine source code of Files labeled X

{
  "theme": {
    "images": {
      "theme_frame": "PersonaTop.png"
    },
    "colors": {
      "frame": "#08fad2",
      "tab_background_text": "#0df7f3"
    }
  },
  "version": "2.0",
  "name": "Files labeled X",
  "manifest_version": 2,
  "description": "This is a persona for all the X-files fans!"
}