diff --git a/xos-apps/auto-scale/gui/src/vendor/ui.bootstrap/template/modal/backdrop.html b/xos-apps/auto-scale/gui/src/vendor/ui.bootstrap/template/modal/backdrop.html
new file mode 100644
index 0000000..214273e
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ui.bootstrap/template/modal/backdrop.html
@@ -0,0 +1,4 @@
+<div uib-modal-animation-class="fade"
+     modal-in-class="in"
+     ng-style="{'z-index': 1040 + (index && 1 || 0) + index*10}"
+></div>