.whatsapp-float{
position:fixed;
bottom:100px;
right:20px;
background:#25D366;
color:white;
width:60px;
height:60px;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-size:2rem;
box-shadow:0 4px 12px rgba(37,211,102,.4);
z-index:999;
transition:.3s;
}

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

@media(max-width:768px){

.whatsapp-float{
bottom:80px;
}

}