diff --git a/nginx/sites-available/api.r3js.org.conf b/nginx/sites-available/api.r3js.org.conf
index 3e5a984..7d8cc9a 100644
--- a/nginx/sites-available/api.r3js.org.conf
+++ b/nginx/sites-available/api.r3js.org.conf
@@ -29,7 +29,6 @@ server {
         add_header Access-Control-Allow-Origin '*' always;
         add_header Access-Control-Allow-Methods 'POST, GET, OPTIONS' always;
         add_header Access-Control-Allow-Headers 'Cache-Control,Content-Type,x-api-authorization,x-api-user-token' always;
-        add_header Content-Type 'application/json' always;
         add_header X-Content-Type-Options: 'nosniff' always;
 
         if ($request_method = OPTIONS) {
@@ -38,6 +37,11 @@ server {
 
 	root /usr/share/r3-server/beta/api.r3js.org/webroot;
 
+	location ~ ^.*\.css$ {
+        	add_header Content-Type 'text/css' always;
+		try_files $uri $uri/ @node;
+	}
+
 	location ~ {
 		try_files $uri $uri/ @node;
 	}