diff --git a/server/style.css b/server/style.css
index a2af390..30fe8f1 100644
--- a/server/style.css
+++ b/server/style.css
@@ -156,8 +156,10 @@ div#debug {
 
 #preview {
   position: absolute;
-  top: 200px;
+  z-index: 10;
+  top: 140px;
   left: 400px;
+  border: 1px solid gray;
 }
 
 a.nav.next {