diff --git a/www/slide/slide.less b/www/slide/slide.less
index 607cdc6af..dd0feb2ba 100644
--- a/www/slide/slide.less
+++ b/www/slide/slide.less
@@ -19,6 +19,7 @@ html, body{
     position: relative;
 }
 body {
+    font-size: unset;
     display: flex;
     flex-flow: column;
 }