diff --git a/public/install/css/install.css b/public/install/css/install.css
index 8ef3c50d81..29f7d30ce7 100644
--- a/public/install/css/install.css
+++ b/public/install/css/install.css
@@ -1,5 +1,3 @@
-
-
 body > .content {
     padding-left: 0 !important;
 }
@@ -164,3 +162,8 @@ header.step-header h4 {
     margin-right: 5px;
     margin-top: -1px;
 }
+
+#msg-box.alert {
+    min-width: 100% !important;
+    border-radius: var(--border-radius) !important;
+}