diff --git a/heynote-codemirror/src/styles.css b/heynote-codemirror/src/styles.css
index 7bd2b4a..9f4e275 100644
--- a/heynote-codemirror/src/styles.css
+++ b/heynote-codemirror/src/styles.css
@@ -44,5 +44,5 @@ body {
     height: 2px*/
 }
 .block-start.first {
-    height: 0;
+    height: 4px;
 }