Examine source code of KillerSights

{
  "theme": {
    "images": {
      "theme_frame": "KillerSights_2.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "KillerSights",
  "manifest_version": 2,
  "description": "Axel, Senri, Belphegor, L, Death the Kid, Ulquiorra, Sasuke, Matt, Mello, eyes, kill, starre, sights"
}