diff --git a/css/index.css b/css/index.css
index b2fb7e836..348c4ae47 100644
--- a/css/index.css
+++ b/css/index.css
@@ -206,7 +206,7 @@ header .logo {
   border-bottom: 2px solid black;
   margin: 75px 0 35px 0;
   padding: 35px 0;
-  font-size: 16px;
+  font-size: (16px*15px);
   line-height: 18px;
 }
 .main-content .top-content {