:root{
  --duration-fast:120ms;   /* @kind other */
  --duration-base:180ms;   /* @kind other */
  --duration-slow:280ms;   /* @kind other */
  --duration-reveal:520ms; /* @kind other */
  --ease-standard:cubic-bezier(.4,0,.2,1);  /* @kind other */
  --ease-out:cubic-bezier(.16,1,.3,1);      /* @kind other */
  --ease-in:cubic-bezier(.4,0,1,1);         /* @kind other */
  --transition-control:background-color var(--duration-base) var(--ease-standard),color var(--duration-base) var(--ease-standard),border-color var(--duration-base) var(--ease-standard); /* @kind other */
}