#margin {
  margin-left: 2em;
  margin-top: 2em;
}

/* Style all font awesome icons */
.fa {
  padding: 0.5em;
  font-size: 1em;
  width: 2em;
  text-align: center;
  text-decoration: none;
}

/* Add a hover effect if you want */
.fa:hover {
  opacity: 0.7;
}

/* Set a specific color for each brand */