col {
    cell a {
        box main: Application\nComponent
          [text.gap.left=10, imargin=5];
        box sm1: [width=20, height=main@20%, center=main@left, top=main@20%, fill.color=blue+80];
        box sm2: [width=20, height=main@20%, center=main@left, top=main@60%, fill.color=blue+80];
    }
    space;
    text: Original;
}
space 30;
col x{
    copy a as A;
    join A.main+A.sm1+A.sm2;
    space;
    text: Join: Line;
}
space 30;
col y{
    join A.main+A.sm1+A.sm2 [line.type=, fill.color=green, fill.gradient=down];
    copy a as A;
    space;
    text: Join: Fill;
}
space 30;
col z{
    join A.main+A.sm1+A.sm2 [line.type=, shadow.offset=5, shadow.color=lgray, shadow.blur=2];
    copy a as A;
    space;
    text: Join: Shadow;
}
