.module-pdf-viewer iframe {
    width: 100%;
    height: calc(100vh - 250px);
    display: block;
    border: 1px solid var(--base-color-gray);
  }
  
  .module-pdf-viewer .module-header {
    max-width: max(630px, var(--grid-7));
  }
  
  .module-pdf-viewer .module-header > h2 {
    color: var(--base-color-blue);
    margin-bottom: 0.6857142857142857em;
    margin-top: -0.4em;
  }