diff --git a/echo.css b/echo.css
index c4c23b6..b7932d3 100644
--- a/echo.css
+++ b/echo.css
@@ -1,5 +1,6 @@
-html { 
-  font-size:max(20px, 2vw + 1vh + 1pt);
+html {
+  font-family: sans-serif;
+  font-size: max(20px, 2vw + 1vh + 1pt);
   line-height: 1.618;
 }