.visor {
    position: relative;
    
    height: 380px;
    margin: 20px auto;
    
    border-radius: 10px;
    overflow: hidden;
    background: #e8e8e8;
    box-shadow: 0 6px 30px rgba(0,0,0,.14);
    cursor: grab;
    user-select: none;
  }
  .visor:active { cursor: grabbing; }

  .visor-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
  }

  .visor-img {
    position: absolute;
    top: 0;
    left: 50%;
    min-height: 120%;
    transform: translateX(-50%);
    image-rendering: auto;
    pointer-events: none;
  }

  .visor-bar {
    position: absolute;
    right: 5px;
    top: 8px;
    bottom: 8px;
    width: 5px;
    background: rgba(0,0,0,.08);
    border-radius: 3px;
    opacity: 0;
    transition: opacity .25s;
    z-index: 2;
  }
  .visor:hover .visor-bar { opacity: 1; }

  .visor-thumb {
    position: absolute;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,.40);
    border-radius: 3px;
    min-height: 24px;
  }

  .visor-info {
    position: absolute;
    left: 10px;
    bottom: 10px;
    background: rgba(0,0,0,.55);
    color: #fff;
    font: 12px/1.3 system-ui, -apple-system, sans-serif;
    padding: 5px 12px;
    border-radius: 5px;
    pointer-events: none;
    opacity: 0;
    transition: opacity .25s;
    z-index: 2;
  }
  .visor:hover .visor-info { opacity: 1; }