.qqc-responsive-iframe-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  max-width: 700px;
  margin: auto;
}
.qqc-responsive-iframe-container iframe {
  width: 100%;
  border: none;
  scrollbar-width: none; /* For Firefox */
  -ms-overflow-style: none; /* For Internet Explorer and Edge */
}
.qqc-responsive-iframe-container iframe::-webkit-scrollbar {
  display: none; /* For Chrome, Safari, and Opera */
}