:root{
--hairline:1px;
--rule-weight:1px;
--rule-weight-strong:2px;
--radius-none:0px;
--radius-xs:2px;
--radius-sm:3px;
--radius-md:4px;
--stroke-icon:1.75px;
/* the only "shadow" in the system is a hairline. there are no drop shadows. */
--shadow-none:none;
--shadow-hairline:0 0 0 1px var(--border-hairline);
}
.ds-rule{border:0;border-top:var(--rule-weight) solid var(--divider);margin:0}