diff --git a/src/_h5ai/client/css/inc/content.less b/src/_h5ai/client/css/inc/content.less
index 1059d0f0..ddda9b97 100644
--- a/src/_h5ai/client/css/inc/content.less
+++ b/src/_h5ai/client/css/inc/content.less
@@ -2,7 +2,7 @@
 #content {
 	max-width: 960px;
 	margin: 50px auto;
-	font-size: 16px;
+	font-size: 15px;
 }
 
 #content-header, #content-footer {