diff --git a/css/main.css b/css/main.css
index 980227fb..b15124ac 100644
--- a/css/main.css
+++ b/css/main.css
@@ -108,7 +108,7 @@ body {
 
 header {
   text-transform: uppercase;
-  font-size: 15px;
+  font-size: 0.75rem;
   font-family: var(--font-primary), Arial, Helvetica, sans-serif;
   font-weight: 400;
   border-bottom: 1px solid var(--color-text-dimmed);