Examine source code of DanMachi Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#1f6aff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "DanMachi Theme",
  "manifest_version": 2,
  "description": "From the manga/anime/novel \" DanMachi \" A.K.A \" Is It Wrong to Try to Pick Up Girls in a Dungeon? \""
}