body {
  background-color: #0c9579;
  color: #fff;
}

.row .col a {
  display: block;
  text-align: center;
  transition: background-color 0.2s ease;
}

.row .col a:hover {
  text-decoration: none;
  background-color: #098d73;
}

.row span {
  display: block;
  color: #fff;
}

footer {
  font-size: .75rem;
}