el h4{
        margin: 0 0 6px 0;
        font-size: 12px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: .08em;
        color: #cbd5e1;                                /* slate-300 */
      }

      /* Connection box layout */
      #connection-box{
        position: absolute; top: 8px; left: 8px; z-index: 1200;
        min-width: 300px; padding: 12px 12px 10px;
        font: 13px/1.35 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      }

      .conn-r