.SpredSimple .popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}
.SpredSimple .popup-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  max-width: 700px;
  background: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  overflow: hidden;
  z-index: 1001;
}
.SpredSimple .close-popup {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
}
.SpredSimple .iframe-container {
  width: 100%;
  height: 400px;
  border: none;
}