diff --git a/src/renderer/less/directives.less b/src/renderer/less/directives.less
index e7bc7803..645978e8 100644
--- a/src/renderer/less/directives.less
+++ b/src/renderer/less/directives.less
@@ -9,6 +9,7 @@
         height: var(--chromeHeight1);
         &.chrome-bottom {
             height: var(--chromeHeight2);
+            border-top: 1px solid rgba(0, 0, 0, 0.25);
             .app-chrome--left {
                 padding-left: 32px;
             }