:root{
  --duration-instant:80ms; /* @kind other */
  --duration-fast:140ms; /* @kind other */
  --duration-base:200ms; /* @kind other */
  --duration-slow:320ms; /* @kind other */
  /* No bounce, no overshoot. Things move like paper being slid, not thrown. */
  --ease-standard:cubic-bezier(.2,0,.2,1); /* @kind other */
  --ease-out:cubic-bezier(.16,1,.3,1); /* @kind other */
  --ease-in:cubic-bezier(.4,0,1,1); /* @kind other */
}