.content .main img {
  border: solid 1px #e2e2e4;
  border-radius: 8px;
  overflow: hidden;
}

html.dark .content .main img {
  border: solid 1px #2e2e32;
}

.content .main p code {
  white-space: nowrap;
}

.content .main iframe {
  border-radius: 8px;
  overflow: hidden;
  height: calc(100vh *  0.4);
  max-height: 400px;
}

@media screen and (max-width: 768px) {
  .content .main iframe {
    height: calc(100vh * 0.25);
    max-height: 300px;
  }
}