Examine source code of B2ST - Mastermind1

{
  "theme": {
    "images": {
      "theme_frame": "b2st-mastermind.jpg"
    },
    "colors": {
      "frame": "#787878",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "B2ST - Mastermind1",
  "manifest_version": 2,
  "description": "Aiish... I should have done this sooner too! It's so simple but I love it - the colors, the contrast, the smoky effect, and (of course) the models. They're definitely bringing the fire, what with Mastermind and now Lights Go on Again. Pure awesomeness. --- Image copyright of Cube Ent. --- Tags: K-Pop, B2ST, BEAST, Doojoon, Hyunseung, Junhyung, Yoseob, Kikwang, Dongwoon"
}