Add explicit font sizes and boldness.

pages/helpers/header.php

@@ -13,6 +13,9 @@
 		<style>
 			<?php include "main.css"; ?>
 		</style>
+		<style>
+			<?php include "font.css"; ?>
+		</style>
 		<style>
 			<?php include "dark.css"; ?>
 		</style>