:root{
--duration-instant:80ms;--duration-fast:140ms;--duration-base:220ms;
--duration-slow:340ms;--duration-slower:600ms;
--ease-brand:cubic-bezier(.2,.8,.2,1);
--ease-out:cubic-bezier(.16,1,.3,1);
--ease-in-out:cubic-bezier(.65,0,.35,1);
--transition-control:color var(--duration-fast) var(--ease-brand),background-color var(--duration-fast) var(--ease-brand),border-color var(--duration-fast) var(--ease-brand),transform var(--duration-fast) var(--ease-brand);
}