diff --git a/mcp-server/src/static/repl.html b/mcp-server/src/static/repl.html
index fbf64db..24f7620 100644
--- a/mcp-server/src/static/repl.html
+++ b/mcp-server/src/static/repl.html
@@ -105,7 +105,7 @@
 
             .output-label {
                 color: #28a745;
-                font-weight: bold;
+                font-size: 12px;
                 margin-bottom: 5px;
                 display: block;
             }