.container {
  width: 65%;
  margin: 1vh auto;
}

.d-none {
  display: none !important;
}

div#secondary-stream {
  height: 97vh;
}

iframe#interactive-iframe {
  height: 100%;
}

@media only screen and (max-width: 600px) {
  .container {
    width: 100%;
    margin: 30px auto;
  }
  img {
    width: 50%;
    margin: 0 auto;
    display: block;
  }
  #choice-form textarea {
    width: 95% !important;
}
}