RewriteEngine on
# Will catch Opera 3-5, WebKit pre-10.3.9, IE 3-6 (excluding Opera masking).
RewriteCond %{HTTP_USER_AGENT} "Opera[ /][345]\."
RewriteCond %{HTTP_USER_AGENT} "AppleWebKit/[81]"
RewriteCond %{HTTP_USER_AGENT} "Mozilla/[24]\.0 \(compatible; MSIE [3456]\.(?!.*Opera [1-9]\.)"
RewriteRule ^global\.css$ http://www.soaringrabbit.com/simple\.css