:root{
--sp-1:4px;
--sp-2:8px;
--sp-3:12px;
--sp-4:16px;
--sp-5:20px;
--sp-6:24px;
--sp-8:32px;
--sp-10:40px;
--sp-12:48px;
--sp-16:64px;
--gutter-screen:16px;
--gutter-card:16px;
--gap-list:10px;
--gap-grid:12px;
/* letterhead geometry, in mm, measured off sarbarg-en-A4.pdf (612.28x858.9pt page) */
--sheet-w:210mm;
--sheet-h:297mm;
--sheet-frame-inset:11.6mm;
--sheet-margin-x:23.4mm;
--sheet-header-h:20mm;
--sheet-footer-h:9.2mm;
--sheet-rule-w:0.25pt; /* @kind other */
--sheet-frame-w:0.5pt; /* @kind other */
}