a { text-decoration: none; }
a:hover { text-decoration: underline; }

/* pick one accent that feels CodeScene-ish */
a { color: #2F6FED; } /* example: calm blue */

.plain-page .wrapper {
  max-width: 1280px;
}

.plain-page {
  line-height: 1.6;
}

.plain-page hr {
  margin-top: 2.5em;
  margin-bottom: 3.5em;
}

.callout {
  background-color: #e8f2ff;      /* light, calm blue */
  border-left: 4px solid #2f6fed; /* subtle accent */
  padding: 1.2em 1.5em;
  margin: 2.5em auto;
  max-width: 1100px;
  text-align: center;
  font-size: 1.05em;
}

.references {
  font-size: 0.85em;
  opacity: 0.8;
  line-height: 1.5;
}

.references ol {
  padding-left: 1.2em;
}

.references li {
  margin-bottom: 0.6em;
}