diff --git a/frontend/style.css b/frontend/style.css
index 2522d1f..3256294 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -64,7 +64,7 @@ codapi-toolbar a:visited {
   line-height: 20px;
   padding: 10px;
   resize: none !important;
-  tab-size: 4;
+  tab-size: 8;
 }
 
 codapi-output {