diff --git a/src/main/webapp/assets/common/css/gitbucket.css b/src/main/webapp/assets/common/css/gitbucket.css
index 0ca47fc..fe72462 100644
--- a/src/main/webapp/assets/common/css/gitbucket.css
+++ b/src/main/webapp/assets/common/css/gitbucket.css
@@ -1724,27 +1724,32 @@
 div.markdown-body h2 {
   border-bottom: 1px solid #eee;
   font-size: 2em;
+  font-weight: bold;
   line-height: 1.7;
 }
 
 div.markdown-body h3 {
   font-size: 1.5em;
+  font-weight: bold;
   line-height: 1.7;
 }
 
 div.markdown-body h4 {
   font-size: 1.2em;
+  font-weight: bold;
   line-height: 1.7;
 }
 
 div.markdown-body h5 {
   font-size: 1em;
+  font-weight: bold;
   line-height: 1.7;
 }
 
 div.markdown-body h6 {
   color:#777;
   font-size: 1em;
+  font-weight: bold;
   line-height: 1.7;
 }