diff --git a/doc/source/themes/agogo/static/agogo.css_t b/doc/source/themes/agogo/static/agogo.css_t
index 4a947245..ef9f56b1 100644
--- a/doc/source/themes/agogo/static/agogo.css_t
+++ b/doc/source/themes/agogo/static/agogo.css_t
@@ -291,6 +291,7 @@ div.sphinxsidebar .tile {
 }
 
 div.sphinxsidebar ul {
+  margin-bottom: 1.5em;
   list-style-type: none;
 }