diff --git a/pages/_app.css b/pages/_app.css
index 7c2ed2f..339adcb 100644
--- a/pages/_app.css
+++ b/pages/_app.css
@@ -17,8 +17,8 @@ footer {
 }
 
 .panel {
-  min-width: 500px;
   max-width: 500px;
+  flex-basis: 100%;
 }
 
 .panel .panel {