diff --git a/docs/_includes/head_custom.html b/docs/_includes/head_custom.html
index 7e4c019..0e4123d 100644
--- a/docs/_includes/head_custom.html
+++ b/docs/_includes/head_custom.html
@@ -9,6 +9,10 @@
     margin-right: 1em;
   }
 
+  tr {
+    vertical-align: top;
+  }
+
   td:first-child {
     white-space: nowrap;
   }