main {
  display: block;
}
main img {
  vertical-align: top;
  max-width: 100%;
}
.form-info {
  position: relative;
  max-height: 500px;
  overflow: hidden;
}
.form-info img {
  max-width: 100%;
  vertical-align: top;
}
.form-info .form-info-link {
  display: block;
  font-size: 0;
}
.form-info .form-iframe {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 35%;
  margin: 0 auto;
  max-width: 450px;
  padding-top: 32%;
}
@media screen and (max-width: 500px) {
  .form-info .form-iframe {
    width: 85%;
    padding-top: 75%;
  }
}
.form-info iframe {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  max-height: 400px;
}