diff --git a/public/static/themes/simple.css b/public/static/themes/simple.css
index d35885d..bfc8602 100644
--- a/public/static/themes/simple.css
+++ b/public/static/themes/simple.css
@@ -5,7 +5,7 @@
   font-weight: 200 600;
   font-stretch: 0% 200%;
   font-display: swap;
-  src: url(https://fonts.gstatic.com/s/rubik/v28/iJWKBXyIfDnIV7nErXyi0A.woff2) format('woff2');
+  src: url("https://fonts.gstatic.com/s/rubik/v28/iJWKBXyIfDnIV7nErXyi0A.woff2") format('woff2');
 }
 
 * {