Examine source code of B2ST - Mastermind2

{
  "theme": {
    "images": {
      "theme_frame": "b2st-mastermind2.jpg"
    },
    "colors": {
      "frame": "#545454",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "B2ST - Mastermind2",
  "manifest_version": 2,
  "description": "LOL silly me. I named this wrong the first time. Apologies --- Images copyright of Cube Ent. --- Tags: K-Pop, B2ST, BEAST, Doojoon, Hyunseung, Junhyung, Yoseob, Kikwang, Dongwoon"
}