diff --git a/hledger-web/static/hledger.css b/hledger-web/static/hledger.css
index 7864ec1b4..e3f180e87 100644
--- a/hledger-web/static/hledger.css
+++ b/hledger-web/static/hledger.css
@@ -17,6 +17,12 @@
   font-style:italic;
 }
 
+/*------------------------------------------------------------------------------------------*/
+/* 2. fonts */
+body {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
 /*------------------------------------------------------------------------------------------*/
 /* 4. typeahead styles */