.btn {
  background-color: #000;
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.8;
}

.btn:focus {
  outline: none;
}