-Allow from none
-Deny from all
+<IfModule version_module>
+ <IfVersion >= 2.4>
+ Require all denied
+ <Files "user.css">
+ Require all granted
+ </Files>
+ </IfVersion>
+ <IfVersion < 2.4>
+ Allow from none
+ Deny from all
+ <Files "user.css">
+ Allow from all
+ </Files>
+ </IfVersion>
+</IfModule>
+
+<IfModule !version_module>
+ Require all denied
+</IfModule>