d(3) { font-size:10px; }
.pbs { padding-block-start: 15px; margin-block-start: 5px; }
.pbe { padding-block-end: 7px; margin-block-end: 3px; }

.fb { align-content:baseline; align-self:self-start; justify-self:self-start; }
.lb { align-content:last baseline; align-self:self-end; justify-self:self-end; }
.s  { align-self:stretch; justify-self:stretch; }

.hl { writing-mode: horizontal-tb; direction:ltr; }
.hr { writing-mode: horizontal-tb; direction:rtl; }
.vl { writing-mode: vertical-lr; text-orientation: si