diff --git a/src/css/easymde.css b/src/css/easymde.css
index b645f9c..760f19d 100644
--- a/src/css/easymde.css
+++ b/src/css/easymde.css
@@ -140,6 +140,7 @@
 }
 
 .editor-toolbar button {
+    font-weight: bold;
     min-width: 30px;
     white-space: nowrap;
 }