Examine source code of Kuroko no Basuke

{
  "theme": {
    "images": {
      "theme_frame": "kurokonobasuke.jpg"
    },
    "colors": {
      "frame": "#05f0fc",
      "tab_background_text": "#03fab8"
    }
  },
  "version": "2.0",
  "name": "Kuroko no Basuke",
  "manifest_version": 2,
  "description": "Anime"
}