diff --git a/src/renderer/less/directives.less b/src/renderer/less/directives.less
index 3831816c..e86ca211 100644
--- a/src/renderer/less/directives.less
+++ b/src/renderer/less/directives.less
@@ -14,6 +14,7 @@
     &.chrome-bottom {
       height: var(--chromeHeight2);
       box-shadow: 0px -1px 0px rgba(0, 0, 0, 0.25);
+      z-index: 1;
     }
   }