:root{
  --dur-fast:120ms; /* @kind other */ --dur-base:180ms; /* @kind other */
  --dur-slow:240ms; /* @kind other */ --dur-reveal:420ms; /* @kind other */
  --ease-standard:cubic-bezier(.2,.6,.2,1); /* @kind other */
  --ease-out:cubic-bezier(0,.6,.3,1); /* @kind other */
  --ease-in:cubic-bezier(.5,0,1,.5); /* @kind other */
}