.cn-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 9998;
}

.cn-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  z-index: 9999;
}

.cn-iframe {
  width: 100%;
  height: 300px;
  border: none;
}

.cn-close {
  background: none;
  border: none;
  font-size: 24px;
  float: right;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .cn-popup {
    width: 90%;
  }
}