diff --git a/src/wp-admin/css/install.css b/src/wp-admin/css/install.css
index 2f355f6f01..300f46a551 100644
--- a/src/wp-admin/css/install.css
+++ b/src/wp-admin/css/install.css
@@ -287,10 +287,9 @@ submit {
 }
 
 .message {
-	border: 1px solid #c00;
-	padding: 0.5em 0.7em;
-	margin: 5px 0 15px;
-	background-color: #ffebe8;
+	border-left: 4px solid #dc3232;
+	padding: .7em .6em;
+	background-color: #fbeaea;
 }
 
 /* rtl:ignore */