my $string = "M 6,0 C 2.676,0 0,2.676 0,6 L 0,$cont_tbh L $cont_w,$cont_tbh L $cont_w,6 C $cont_w,2.676 $cont_w - 2.676,0 $cont_w - 6,0 L 6,0 Z";
    my $tag = $svg->path(
        d => $string,
        id    => 'pline_1',
		style => {
			'fill-color' => 'green'
		}
    );