.stu-widget {
  display: flex;
}

.stu-div-iframe {
  width: 100%;
  min-height: 800px;
}

.stu-iframe {
  width: 100%;
  min-height: 800px;
}

@media screen and (max-width: 750px) {
  .stu-widget {
    flex-wrap: wrap;
  }
}