diff --git a/assets/simplesystems.css b/assets/simplesystems.css
index 44a9f49..1ab0f07 100644
--- a/assets/simplesystems.css
+++ b/assets/simplesystems.css
@@ -340,3 +340,11 @@ button.round, .btn.round {
 }
 
 .blue { --clr: #42A5F5 }
+
+pre {
+	background: #eee;
+	border-radius: 5px;
+	padding-left: 1rem;
+	color: black;
+	font-size: 0.95rem;
+}