#class::foo {
    [type='foo']{
        line-width: 1;
    }
}

#class::bar[zoom=1] {
    [type='foo']{
        line-width: 1;
    }
    [type='baz']{
        line-width: 2;
    }
}

#class::foo {
    [type='foo']{
        line-width: 1;
    }
}
