:root{
/* 4px base, doubling through the mid range. Layout gutters are multiples of 8. */
--space-0:0;
--space-1:4px;
--space-2:8px;
--space-3:12px;
--space-4:16px;
--space-5:20px;
--space-6:24px;
--space-8:32px;
--space-10:40px;
--space-12:48px;
--space-16:64px;
--space-20:80px;
--space-24:96px;
--space-32:128px;

/* Slide geometry, taken from the deck: 1920x1080 with a 96px margin */
--slide-w:1920px;
--slide-h:1080px;
--slide-margin:96px;
--slide-gutter:48px;

/* Screen layout */
--page-gutter:32px;
--page-max:1280px;
--sidebar-w:264px;
--topbar-h:64px;
--row-h:56px;
--control-h:40px;
--control-h-sm:32px;
--control-h-lg:48px;
}