:root{--paper:#000;--ink:#F5F5F1;--dim:#9a9a94;--kick:#F5F5F1;--velo:0,0,0}
.scena .ombra{background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.15) 40%,rgba(0,0,0,.55))}