:root{
/* Paper turning, not springing. No bounce, no overshoot. */
--ease-standard:cubic-bezier(.22,.61,.36,1); /* @kind other */
--ease-out:cubic-bezier(.16,.84,.44,1); /* @kind other */
--ease-in:cubic-bezier(.55,.09,.68,.53); /* @kind other */
--duration-instant:80ms; /* @kind other */
--duration-fast:140ms; /* @kind other */
--duration-base:220ms; /* @kind other */
--duration-slow:360ms; /* @kind other */
--duration-page:520ms; /* @kind other */
--transition-control:background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard); /* @kind other */
--transition-lift:transform var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out); /* @kind other */
--press-scale:.985; /* @kind other */
}