.fab {
padding: 20px;
font-size: 40px;
width: 40px;
text-align: center;
text-decoration: none;
margin: 5px 2px;
border-radius: 50%;
}

.fab:hover {
opacity: 0.7;
}

.fa-whatsapp {
background: #45bbff;
color: white;
}