diff --git a/back.jpg b/back.jpg
index 50aefce..2712d98 100644
Binary files a/back.jpg and b/back.jpg differ
diff --git a/pq.css b/pq.css
index d6ede9f..e8790bb 100644
--- a/pq.css
+++ b/pq.css
@@ -153,7 +153,8 @@ div.progress-container > div.bar {
 }
 
 body { 
-  background: url(back.jpg);
+  background: url(back.jpg) no-repeat;
+  background-size: 100% 100%;
   text-align: center;
   margin-top: 1em;
 }