diff --git a/css/normalize.css b/css/normalize.css
index c21a7b2..5fa39f8 100644
--- a/css/normalize.css
+++ b/css/normalize.css
@@ -7,6 +7,10 @@ body {
   margin: 0;
 }
 
+main {
+  display: block;
+}
+
 h1 {
   font-size: 2em;
   margin: 0.67em 0;