:root{
--ease-standard:cubic-bezier(0.22,0.61,0.36,1); /* @kind other */
--ease-exit:cubic-bezier(0.55,0,0.68,0.19); /* @kind other */
--ease-mechanical:cubic-bezier(0.83,0,0.17,1); /* @kind other */ /* shutter-like; reveals, wipes */

--dur-1:90ms; /* @kind other */   /* press feedback */
--dur-2:160ms; /* @kind other */  /* hover, colour */
--dur-3:260ms; /* @kind other */  /* enter/exit of small elements */
--dur-4:420ms; /* @kind other */  /* overlays, wipes */

--transition-control:color var(--dur-2) var(--ease-standard),background-color var(--dur-2) var(--ease-standard),border-color var(--dur-2) var(--ease-standard);
}
@media (prefers-reduced-motion:reduce){:root{--dur-1:0ms; /* @kind other */
--dur-2:0ms; /* @kind other */
--dur-3:0ms; /* @kind other */
--dur-4:0ms; /* @kind other */
}}