 id="digital-clock" width="280" height="70"></canvas>
          </div>

          <div class="col-lg text-center mb-2">
            <h4 class="p-3 mb-3 bg-grey"><a href="heartbeat.html" class="text-dark">Heartbeat</a></h4>
            <canvas id="heartbeat" width="300" height="100"></canvas>
          </div>
        </div>

        <div class="row mb-3">
          <div class="col-lg text-center mb-2">
            <h4 class="p-3 mb-3 bg-grey"><a href="message-queue.html" class="text-dark">Message Queue</a></