.lw-whatsapp-float {
position: fixed;
bottom: 20px;
right: 20px;
background: #25D366;
color: #fff;
width: 60px;
height: 60px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 28px;
text-decoration: none;
box-shadow: 0 4px 10px rgba(0,0,0,0.2);
z-index: 9999;
}

.lw-whatsapp-float:hover {
background: #1ebe5d;
}