hscale = auto;
defstyle entity
   [fill.color="yellow-25",
    text.format= "\mu(10)\md(10)\ml(10)\mr(10)"];
Up     [fill.gradient=up],
Down   [fill.gradient=down],
In     [fill.gradient=in],
Out    [fill.gradient=out],
Button [fill.gradient=button];
Slant  [fill.gradient=45];
