.extended-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--line);
}

.extended-grid article {
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #e7ece9;
}

.extended-grid span {
  color: #188da7;
  font: 700 10px "Space Mono", monospace;
}

.extended-grid h3 {
  margin: 38px 0 14px;
  font-size: 20px;
}

.extended-grid p {
  margin: 0;
  color: #68757a;
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .extended-grid { grid-template-columns: 1fr; }
}

/* Live page has no preview banner above the navigation. */
.site-header { top: 0; }