:root{
--ease-out:cubic-bezier(0.2,0.8,0.2,1); /* @kind other */
--ease-in-out:cubic-bezier(0.45,0,0.2,1); /* @kind other */
--duration-fast:120ms; /* @kind other */
--duration-base:200ms; /* @kind other */
--duration-slow:320ms; /* @kind other */
}