:root{
  --ease-standard: cubic-bezier(.2,0,0,1); /* @kind other */
  --ease-decelerate: cubic-bezier(0,0,0,1); /* @kind other */
  --ease-accelerate: cubic-bezier(.3,0,1,1); /* @kind other */
  --duration-instant:80ms; /* @kind other */
  --duration-fast:140ms; /* @kind other */
  --duration-base:220ms; /* @kind other */
  --duration-slow:320ms; /* @kind other */
  --duration-sheet:280ms; /* @kind other */
}