<div class="red-div">
  <span class="blink">&#9679;</span>
  <span id="cartCount" style="color: #9F7301;">4</span> people have this in their cart
</div>

<script>
  // Function to update the random number every 15 seconds
  function updateRandomNumber() {
    // Generate a random number between 4 and 20
    var randomCount = Math.floor(Math.random() * (20 - 4 + 1)) + 4;
    // Display the random number in the HTML
    document.getElementById("cartCount").innerText = randomCount;
  }

  // Call the function immediately to set the initial random number
  updateRandomNumber();

  // Update the random number every 15 seconds
  setInterval(updateRandomNumber, 15000);
</script>

<style>
  .red-div {
    background-color: #FFF8D0;
    padding: 2px 10px; /* 6px vertical, 10px horizontal */
    border-radius: 8px; /* Rounded corners */
    display: inline-block; /* Display as inline-block */
    text-align: center; /* Center align the content */
    margin: 0 auto; /* Horizontally center the red-div */
    color: #9F7301; /* Text color */
    font-weight: 500; /* Medium font weight */
    font-size: 12px; /* Set font size */
  }

  .blink {
    color: inherit; /* Inherit color from parent */
    display: inline-block; /* Display as inline-block */
    vertical-align: middle; /* Align vertically to middle */
    font-size: 12px; /* Set font size */
    margin-right: 5px; /* Add some space between the dot and the text */
  }
</style>