.swb-btn{position:fixed;right:20px;bottom:20px;width:60px;height:60px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:999999;text-decoration:none}.swb-btn:hover{transform:scale(1.05)}