.popup-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.popup-box {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 90%;
  width: 400px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  text-align: center;
}
.popup-buttons {
  margin-top: 15px;
}
.popup-buttons button {
  padding: 8px 16px;
  margin: 0 10px;
  border: none;
  background-color: #007BFF;
  color: white;
  cursor: pointer;
  border-radius: 5px;
}
.popup-buttons button#popup-no {
  background-color: #ccc;
  color: #333;
}