.footer {
  margin-top: 180px;
  background-color: #bfbfbf;
  color: white;
  text-align: center;
  padding: 20px 0;
}
.footer .btn {
  background-color: #fff;
  color: #111;
  padding: 10px 22px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  border: none;
  margin-top: 30px;
  transition:
    background 0.3s ease,
    transform 0.2s ease;
}

.footer .btn:hover {
  background-color: #cffa41d3;

  color: #fff;
}