diff --git a/doc/_static/css/theme_zeiss.css b/doc/_static/css/theme_zeiss.css
index 42b98cc..0ce363d 100644
--- a/doc/_static/css/theme_zeiss.css
+++ b/doc/_static/css/theme_zeiss.css
@@ -32,8 +32,12 @@ a:visited {
 }
 */
 
+/* Menu section text, changed from #55a5d9 -> ZEISS Cyan */
+.wy-menu-vertical p.caption {
+    color: #008BD0;
+}
+
 /* Menu text, changed from #404040 to ZEISS Black */
-/* FIXME */
 .wy-menu-vertical li.toctree-l2 a, .wy-menu-vertical li.toctree-l3 a, .wy-menu-vertical li.toctree-l4 a, .wy-menu-vertical li.toctree-l5 a, .wy-menu-vertical li.toctree-l6 a, .wy-menu-vertical li.toctree-l7 a, .wy-menu-vertical li.toctree-l8 a, .wy-menu-vertical li.toctree-l9 a, .wy-menu-vertical li.toctree-l10 a {
     color: #000000;
 }