Issue #3382644 by dave reid, danrod, adam-delaney: iframe z-index of 101 is...

Issue #3382644 by dave reid, danrod, adam-delaney: iframe z-index of 101 is lower than contextual link z-index at 500

css/iframe.css

@@ -3,6 +3,13 @@
   padding: 0;
 }
 
+/**
+ * Set z-index for the ui-dialog modal to be above contextual links.
+ */
+div.ui-dialog[aria-describedby="drupal-lbim-modal"] {
+  z-index: 501;
+}
+
 .lbim-dialog {
   width: 100%;
   height: 100%;