sub header_css {
    my @css_style_sheets = (
        "http://othermachine/css/standard.css",
        "http://othermachine/css/ssd.css",
    );

    my @head_links;

    foreach (@css_style_sheets) {
        push(@head_links, Link({
            -rel => 'stylesheet',
            -type => 'text/css',
            -href => $_
        }));
    }

    return \@head_links;
}

##</code><code>##

sub header_css {
    [
        map {
            Link({
                -rel => 'stylesheet',
                -type => 'text/css',
                -href => $_
            })
        } (
            "http://othermachine/css/standard.css",
            "http://othermachine/css/ssd.css",
        )
    ]
}