Prevent loading screen from overlaying the app bar

Refs #4417

This change is functional copy of 3893469 that solves the problem in a way
that doesn't depend on the height of the app bar since the app bar isn't a
fixed height in the smaller views.

1 files changed, 1 insertions, 1 deletions

diff --git a/ui/app/css/itcss/components/loading-overlay.scss b/ui/app/css/itcss/components/loading-overlay.scss
index 38627af17..17f12ab73 100644
--- a/ui/app/css/itcss/components/loading-overlay.scss
+++ b/ui/app/css/itcss/components/loading-overlay.scss
@@ -1,6 +1,6 @@
 .loading-overlay {
   left: 0;
-  z-index: 50;
+  z-index: 256;
   position: absolute;
   flex-direction: column;
   display: flex;