html {
  --pst-sidebar-secondary: 28%; /* Slightly widen the right sidebar */
}

@media (min-width: 960px) {
  .bd-page-width {
    max-width: 100rem; /* Reduce the page’s side margins */
  }

  .bd-sidebar-primary {
    width: 22%; /* Slightly narrow the left sidebar */
  }
}

.bd-main .bd-content .bd-article-container {
  max-width: 61em; /* To match .bd-page-width */
}

#ethical-ad-placement {
  max-width: 180px; /* Make the Read the Docs ad less obtrusive. */
}

.sd-card .sd-card-img-top {
  /* Main index page overview cards */
  height: 60px;
  width: 60px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
}

html[data-theme='dark'] .sd-card img[src*='.svg'] {
  /* Main index page overview images */
  filter: invert(0.82) brightness(0.8) contrast(1.2);
}