aside[aria-label="Advertisement"] {
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 18px;
  color: var(--ink-muted);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--bg-sunken) 76%, transparent), transparent),
    var(--bg-raised);
  border: 0.5px solid var(--border);
  border-radius: var(--rad);
  box-shadow: var(--shadow);
  text-align: center;

  span {
    display: block;
    font-size: 14px;
  }

  small {
    display: block;
    color: var(--ink-faint);
    font-size: 12px;
  }
}