diff --git a/public/res/styles/base.less b/public/res/styles/base.less
index 8c336a0b..8a9dfb4c 100644
--- a/public/res/styles/base.less
+++ b/public/res/styles/base.less
@@ -199,6 +199,7 @@ h6 { font-size: @title-base-size * 0.85; }
 h1, h2, h3, h4, h5, h6 {
 	margin: 1.3em 0;
 	text-align: start;
+	font-weight: 300;
 }
 
 pre {