<i class="fa fa-facebook"></i>
<i class="fa fa-google-plus"></i>
<i class="fa fa-twitter"></i>
<i class="fa fa-pinterest-p"></i>
i.fa {
  width: 32px;
  height: 32px;
  text-align: center;
  line-height: 32px;
  border-radius: 50%;
  color: #fff;
}

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

.fa-google-plus {
  background: #D8493B;
}

.fa-twitter {
  background: #55ACEE;
}

.fa-pinterest-p {
  background: #CA232D;
}

External CSS

  1. //maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.