body {

}
 .fa {
                          padding: 8px;
    font-size: 18px;
    width: 35px;
    text-align: center;
    text-decoration: none;
    margin: 5px 2px;
    border-radius: 50%;
                }

            .fa:hover {
              opacity: 0.7;
              }

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

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

            .fa-google {
              background: #dd4b39;
              color: white;
         
            }

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

            .fa-youtube {
              background: #bb0000;
              color: white;
           
            }