.btn {
  color: #fff;
  background-color: #27ae60;
  padding: 7px 15px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid #27ae60;
}

.btn:hover {
  background: #52be80;
  border-color: #52be80;
  color: #fff;
  cursor: pointer;
}