Examine source code of Blue Monday 1988

{
  "theme": {
    "images": {
      "theme_frame": "uppe2.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Blue Monday 1988",
  "manifest_version": 2,
  "description": "My first Persona, deeply influenced by New Order's \"Blue Monday 1988\" as you can see. ;)\nEnjoy!"
}