#mc-popup-launch {
  margin-top: 16px;
  padding: 12px 24px;
  background: #000;
  color: #fff;
  font-size: 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s ease;
}
#mc-popup-launch:hover {
  background: #222;
}