Examine source code of Gothic Royalty

{
  "theme": {
    "images": {
      "theme_frame": "Header.PNG"
    },
    "colors": {
      "frame": "#bababa",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Gothic Royalty",
  "manifest_version": 2,
  "description": "Just a simple background with a beautiful dark pattern."
}