diff --git a/_static/css/agaric.css b/_static/css/agaric.css
index 80c511a..d01f519 100644
--- a/_static/css/agaric.css
+++ b/_static/css/agaric.css
@@ -20,10 +20,14 @@
  }
 }
 
-.wy-menu-vertical li.current > a:hover, .wy-menu-vertical li.on a:hover {
+.wy-menu-vertical li.current > a, .wy-menu-vertical li.on a {
   background-color: #f6f6f6;
 }
 
+.wy-menu-vertical li.current > a:hover, .wy-menu-vertical li.on a:hover {
+  background-color: #dcd42a;
+}
+
 .wy-side-nav-search .wy-dropdown > a img.logo,
 .wy-side-nav-search > a img.logo {
   width: 12rem;