.modal {
  position: fixed;
  z-index: 10000;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  display: none;
  justify-content: center; align-items: center;
}
.modal-content {
  background: #fff;
  padding: 1rem;
  position: relative;
  width: 80%; height: 80%;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.modal-content iframe {
  width: 100%; height: 100%;
  border: none;
}
.modal .close {
  position: absolute;
  top: 10px; right: 15px;
  cursor: pointer;
  font-size: 24px;
}