:root{
/* Unit is 8px. Vertical rhythm runs in multiples of 10 units (80px). */
--unit:8px;
--space-1:8px;
--space-2:16px;
--space-3:24px;
--space-4:32px;
--space-5:40px;
--space-6:48px;
--space-8:64px;
--space-10:80px;   /* one rhythm step */
--space-20:160px;  /* two rhythm steps */
--space-30:240px;  /* three rhythm steps */

--block-pad-y:var(--space-10);
--block-pad-x:var(--space-5);
--block-gap:0px;   /* blocks are juxtaposed with no margin between them */
--gutter:var(--space-5);
--max-content:1280px;
--touch-min:44px;
}