.fa {
padding: 20px;
font-size: 30px;
width: 50px;
text-align: center;
text-decoration: none;
margin: 5px 2px;
}
.fa:hover {
opacity: 0.7;
}
.fa-facebook {
background: #3B5998;
color: white;
}
.fa-twitter {
background: #55ACEE;
color: white;
}
.fa-google {
background: #dd4b39;
color: white;
}
.fa-linkedin {
background:...