.dungeon-room {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-image: url("background001.png");  /* your new combined image */
  .dungeon-room {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: #000;
  }

  /* Basic shield container/layout is injected by generate-shields.js */