foo {
	filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000000);
	filter:progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000001);
}


foo {
	filter: alpha(opacity=20);
	filter: alpha(opacity=20, enabled=true);
	filter: blaznicate(foo=bar, baz=bang bip, bart=#fa4600);
}