.fa {
    padding: 10px;
    font-size: 30px;
    width: 10px;
    text-align: center;
    text-decoration: none;
    /*margin: 5px 2px;*/
    border-radius: 20%
  }
  
.fa:hover {
    opacity: 0.7;
}

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

.fa-instagram {
    background: #d6324d;
    color: white;
  }