WP Multiuser + Compass .htaccess

RewriteEngine On
RewriteBase /

# theme assets
RewriteRule ^img/([a-z]+)/(.*)$ wp-content/themes/$1/img/$2     [NC,L]
RewriteRule ^js/([a-z]+)/(.*)$ wp-content/themes/$1/js/$2       [NC,L]
RewriteRule ^css/([a-z]+)/(.*)$ wp-content/themes/$1/css/$2     [NC,L]
RewriteRule ^fonts/([a-z]+)/(.*)$ wp-content/themes/$1/fonts/$2 [NC,L]

RewriteRule ^index\.php$ - [L]

# uploaded files
RewriteRule ^files/(.+) wp-includes/ms-files.php?file=$1 [L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule . index.php [L]