:root{
--ease-standard:cubic-bezier(.2,.6,.2,1); /* @kind other */
--ease-out:cubic-bezier(0,.55,.45,1); /* @kind other */
--ease-in:cubic-bezier(.55,0,1,.45); /* @kind other */
--ease-mech:cubic-bezier(.65,0,.35,1); /* @kind other */
--dur-instant:80ms; /* @kind other */
--dur-fast:140ms; /* @kind other */
--dur-base:220ms; /* @kind other */
--dur-slow:420ms; /* @kind other */
--dur-reveal:700ms /* @kind other */
}