a {
  text-decoration: none;
}

iframe.reveal-demo {
  width: 100%;
  height: 350px;
  outline: none;
}

.slide-deck {
  border: 3px solid #dee2e6;
  width: 100%;
  height: 475px;
}

@media only screen and (max-width: 600px) {
  .slide-deck {
    height: 400px;
  }
}

.thumbnail-image {
  display: none !important;
}