.whatsapp-float{
position:fixed;
right:25px;
bottom:25px;
width:60px;
height:60px;
background:#25D366;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
z-index:999;
box-shadow:0 10px 25px rgba(0,0,0,.3);
transition:.3s;
}

.whatsapp-float:hover{
transform:scale(1.1);
}

.whatsapp-float img{
width:32px;
height:32px;
}