diff --git a/_static/custom.css b/_static/custom.css
index 7bbb870..ed3b698 100644
--- a/_static/custom.css
+++ b/_static/custom.css
@@ -5,3 +5,12 @@
 .versionmodified {
     font-weight: bold;
 }
+
+.wy-menu-vertical p.caption {
+    color: #b3b3b3;
+    margin-top: 16px;
+    margin-bottom: 0;
+}
+.wy-menu-vertical p.caption .caption-text {
+    font-size: 120%;
+}