:root{
--dur-fast:120ms;  /* @kind other */
--dur-base:220ms;  /* @kind other */
--dur-slow:420ms;  /* @kind other */
--ease-standard:cubic-bezier(.2,.6,.2,1); /* @kind other */
--ease-out:cubic-bezier(0,.6,.2,1);       /* @kind other */
--ease-in:cubic-bezier(.5,0,1,1);         /* @kind other */
}