diff --git a/doc/docs/statics/main.css b/doc/docs/statics/main.css
index ffcd894..77fedf1 100644
--- a/doc/docs/statics/main.css
+++ b/doc/docs/statics/main.css
@@ -6,6 +6,11 @@
   margin-top: 1em;
   background-color: #333333;
 }
+
 img.logo {
   max-width: 70% !important;
 }
+
+.wy-nav-top {
+  background-color: #333333;
+}