diff --git a/code/html/custom.css b/code/html/custom.css
index 0b0153a4..9002e6fa 100644
--- a/code/html/custom.css
+++ b/code/html/custom.css
@@ -30,8 +30,11 @@
     color: #777777;
 }
 
-.header > h1 {
-    line-height: 100%;
+@media screen and (max-width: 32em) {
+    .header > h1 {
+        line-height: 100%;
+        font-size: 2em;
+    }
 }
 
 h2 {