/* Match the Econ Lab look */
.callout-note.callout-style-simple {
  border-left: 4px solid #185FA5;
  background: #f4f8fb;
}
.callout-tip.callout-style-simple {
  border-left: 4px solid #27ae60;
  background: #f0f9f3;
}
h1 { color: #2c3e50; }
h2 { color: #2c3e50; border-bottom: 1px solid #eaecef; padding-bottom: 4px; }
h3 { color: #34495e; }
.sidebar-section .sidebar-item-text { font-size: 0.9em; }