1 files changed, 9 insertions, 0 deletions
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 209aed496..b9940b55e 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -2799,6 +2799,15 @@ input[type="button"].btn-block {
   outline: 0;
 }
 
+.dropdown-backdrop {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 990;
+}
+
 .pull-right > .dropdown-menu {
   right: 0;
   left: auto;