diff --git a/doc/_static/custom.css b/doc/_static/custom.css
index b15770ab38..f95b07c2a3 100644
--- a/doc/_static/custom.css
+++ b/doc/_static/custom.css
@@ -3,6 +3,16 @@
 a, a:hover, a:focus, a:visited, .alert a, .alert .alert-link {color: #1f74ad;}
 .wy-menu a:visited, .wy-menu-vertical a:visited, .wy-menu a:hover, .wy-menu-vertical a:hover { color: #d9d9d9; }
 
+.wy-nav-top>a img.logo {
+  display:block;
+  margin:0 auto;
+  height:auto;
+  width:auto;
+  border-radius:0;
+  max-width:100%;
+  background:transparent
+}
+
 pre {
     background: #ecf0f1;
 }