diff --git a/doc/_themes/sphinx13/static/sphinx13.css b/doc/_themes/sphinx13/static/sphinx13.css
index ec1642d2c..e8a96ab2a 100644
--- a/doc/_themes/sphinx13/static/sphinx13.css
+++ b/doc/_themes/sphinx13/static/sphinx13.css
@@ -361,6 +361,10 @@ aside.topic {
     background-color: #f8f8f8;
 }
 
+p.topic-title {
+    margin-top: 0;
+}
+
 table {
     border-collapse: collapse;
     margin: 0 -0.5em 0 -0.5em;