diff --git a/style.css b/style.css
new file mode 100644
index 0000000..6ea8815
--- /dev/null
+++ b/style.css
@@ -0,0 +1,4 @@
+body {
+  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,
+    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+}