diff --git a/public/css/poole.css b/public/css/poole.css
index cc5e372..607a1d6 100644
--- a/public/css/poole.css
+++ b/public/css/poole.css
@@ -55,6 +55,7 @@ html {
 @media (min-width: 38em) {
   html {
     font-size: 20px;
+    height: 100%;
   }
 }