diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index b4b499e8f6a3..2c7a106fc44f 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -4302,6 +4302,7 @@ button.close {
 }
 
 .modal-header {
+  min-height: 40px;
   padding: 9px 15px;
   border-bottom: 1px solid #e5e5e5;
 }
diff --git a/less/modals.less b/less/modals.less
index 9d9baccea11a..c302e2a2b501 100644
--- a/less/modals.less
+++ b/less/modals.less
@@ -76,6 +76,7 @@
 .modal-header {
   padding: 9px 15px;
   border-bottom: 1px solid #e5e5e5;
+  min-height:40px;
 }
 // Close icon
 .modal-header .close {