.dimmi-widget {
  position: relative;
  margin: 0 auto;
  max-width: 450px;
  height: 700px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.dimmi-widget iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: auto;
  border: none;
}