diff --git a/www/render/index.html b/www/render/index.html
index 969a9ccaa..cc5ea8f4c 100644
--- a/www/render/index.html
+++ b/www/render/index.html
@@ -14,6 +14,7 @@
         #target {
             position: fixed;
             width: 100%;
+            max-width: 100%;
             height: 100%;
             overflow: auto;
             font-size: 15px;