diff --git a/shared_templates/main.html b/shared_templates/main.html
index a0210d5..b6a4361 100644
--- a/shared_templates/main.html
+++ b/shared_templates/main.html
@@ -11,7 +11,7 @@
   <link rel="stylesheet" href="/css/code.css">
   <link rel="icon" type="image/png" href="/assets/favicon.png">
   <script>
-    const class_ = `font-${window.devicePixelRatio >= 1.3 ? 'hidpi' : 'lodpi'}`;
+    const class_ = `font-${window.devicePixelRatio >= 1.5 ? 'hidpi' : 'lodpi'}`;
     document.documentElement.className = class_;
     // document.documentElement.className += ' invert'; // 'invert' to swap colors
   </script>