.iframe-wrap {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 120%;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  padding-bottom: 10%;
}

.iframe-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  padding-bottom: 5%;
}

.iframe-wrap-form {
  position: relative;
  width: 100%;
  padding-top: 120%;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 5%;
}