diff --git a/docs/_static/css/extra.css b/docs/_static/css/extra.css
index 3e5229a..d2f5b35 100644
--- a/docs/_static/css/extra.css
+++ b/docs/_static/css/extra.css
@@ -19,5 +19,9 @@ td code {
 }
 
 .wy-nav-side {
-    background: #2f394c;
+    background: #262e3d;
+}
+
+.wy-menu-vertical a:hover {
+    background: #1e2430;
 }