Examine source code of Underground Xpression

{
  "theme": {
    "images": {
      "theme_frame": "Mykbzsh_Hdr.jpg"
    },
    "colors": {
      "frame": "#000140",
      "tab_background_text": "#03101f"
    }
  },
  "version": "2.0",
  "name": "Underground Xpression",
  "manifest_version": 2,
  "description": "My first attempt at flexing my Persona."
}