JSFiddle - React, Tailwind, and code Playground

HTML

<div class="snackbar">
  Message 1
</div>

<div class="snackbar">
  Message 2
</div>

<div class="snackbar">
  Message 3
</div>

CSS

.snackbar {
  min-width: 350px; /* Set a default minimum width */
  margin-left: -125px; /* Divide value of min-width by 2 */
  background-color: #333; /* Black background color */
  color: #fff; /* White text color */
  text-align: center; /* Centered text */
  border-radius: 2px; /* Rounded borders */
  padding: 10px; /* Padding */
  z-index: 1; /* Add a z-index if needed */
  left: 85%; /* Center the snackbar */
  bottom: 85%; /* 30px from the bottom */
}