.fa {
  padding: 5px;
  padding-top: 7px;
  font-size: 30px;
  width: 30px;
  height:30px;
  text-align: center;
  text-decoration: none;
  margin: 2px 2px;
}

.fa:hover {
    opacity: 0.7;
}

.fa-facebook {
  background: #3B5998;
  color: white;
}

.fa-whatsapp {
  background: #25D366;
  color: white;
}



.fa-linkedin {
  background: #007bb5;
  color: white;
}



.fa-instagram {
  background: #FE016B;
  color: white;
}