Añade la linea:
deberá quedarte asi:
Código Apache:
Ver originalRewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME}% !-d
RewriteCond %{REQUEST_FILENAME}% !-f
RewriteCond %{REQUEST_FILENAME}% !-l
RewriteRule \.(css|jpe?g|gif|png|js|ods|odt|doc?x|xls|pdf|eot|svg|ttf|woff|less|xml|gz)$ - [L]
RewriteRule ^(.+)$ index.php?url=$1 [QSA,L]