:root{
  --duration-instant:80ms; /* @kind other */
  --duration-fast:130ms; /* @kind other */
  --duration-base:200ms; /* @kind other */
  --duration-slow:340ms; /* @kind other */

  /* Mechanical, scoreboard-flip feel. No bounce, no spring. */
  --ease-standard:cubic-bezier(.2,.8,.3,1); /* @kind other */
  --ease-out-flat:cubic-bezier(0,.6,.35,1); /* @kind other */
  --ease-in-flat:cubic-bezier(.5,0,1,.5); /* @kind other */
  --ease-step:steps(4,end); /* @kind other */

  --transition-hover:background-color var(--duration-fast) var(--ease-out-flat),color var(--duration-fast) var(--ease-out-flat),box-shadow var(--duration-fast) var(--ease-out-flat),transform var(--duration-fast) var(--ease-out-flat);
}