.labsite-wa-float{
  position:fixed;
  bottom:28px;
  right:28px;
  width:60px;
  height:60px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:9999;
  box-shadow:0 4px 20px rgba(37,211,102,.4);
  text-decoration:none;
  transition:transform .25s ease, filter .25s ease;
}
.labsite-wa-float:hover{transform:translateY(-2px);filter:brightness(.95)}

@media (max-width: 600px){
  .labsite-wa-float{
    width:54px;
    height:54px;
    right:16px;
    bottom:16px;
  }
  .labsite-wa-float svg{
    width:26px;
    height:26px;
  }
}