diff --git a/serverside/style.css b/serverside/style.css
index e10275c..1355fe1 100644
--- a/serverside/style.css
+++ b/serverside/style.css
@@ -827,4 +827,8 @@ text-shadow:0 0 0 #2c2f33;
 .x-grid-row-loading {
 background-image: url(/pve2/images/dd_loading.svg);
 background-size: 32px;
-}
\ No newline at end of file
+}
+
+.proxmox-invalid-row {
+background-color: #401314;
+}