www: Move device info above downloads on mobile

Change-Id: I214e2437404739bc4fb7ad79b07fa9e2efb4cf9a
diff --git a/public/assets/app.css b/public/assets/app.css
index c0fc54c..8d870e8 100644
--- a/public/assets/app.css
+++ b/public/assets/app.css
@@ -689,6 +689,10 @@
   .features {
     grid-template-columns: repeat(1, minmax(0, 1fr));
   }
+
+  .device-info {
+    flex-direction: column-reverse;
+  }
 }
 
 #device-search {