.popup-container {
  width: 300px;
  font-family: Arial, sans-serif;
  font-size: 12px;
  line-height: 1.5;
  border: 1px solid #3388ff;
  border-radius: 5px;
  padding: 10px;
}

.popup-header {
  font-size: 14px;
  margin-bottom: 10px;
  text-align: center;
}

.popup-body div:not(:last-child) {
  margin-bottom: 8px;
}