Create FAB

 <div class="fab-container"> <div class="button iconbutton"> <i style="font-size: 2.5em; color: #000;" class='bx bxs-message-square-add'></i> </div> </div> 

 .fab-container{ position:fixed; bottom:50px; right:50px; cursor:pointer; } .iconbutton, .button{ width:50px; height:50px; border-radius: 100%; background:#fff; transition: all 0.3s ease; } .button{ width:60px; height:60px; } .iconbutton i{ display:flex; align-items:center; justify-content:center; height: 100%; } .iconbutton:hover, .button:hover { width: 70px; /* Increase width */ height: 70px; /* Increase height */ }