.curriculum-page .sub-wrap {
  width: min(100% - 40px, 1040px);
}

.curriculum-viewer {
  width: min(100%, 900px);
  height: 1120px;
  margin: 0 auto;
  border: 1px solid #9da5ae;
  background: #eef1f5;
}

.curriculum-viewer iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.curriculum-empty {
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e0e4e9;
  background: #f7f8fa;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .curriculum-page .sub-wrap {
    width: min(100% - 24px, 1040px);
    padding-bottom: 80px;
  }

  .curriculum-viewer {
    height: 760px;
  }
}