diff --git a/wordpress.org/public_html/style/trac/common/css/code.css b/wordpress.org/public_html/style/trac/common/css/code.css
index 361561a..bbb38a3 100644
--- a/wordpress.org/public_html/style/trac/common/css/code.css
+++ b/wordpress.org/public_html/style/trac/common/css/code.css
@@ -79,7 +79,7 @@ table.code tr.hilite td {
  background: #ddf;
 }
 .image-file { background: #eee; padding: .3em }
-.image-file img { background: url(../imggrid.png) }
+.image-file img { background: url(../imggrid.png); max-width: 100%; }
 
 /* Default */
 .code-block span { font-family: monospace; }