.ease-linear { transition-timing-function: linear; } .ease-in { transition-timing-function: cubic-bezier(0.4, 0, 1, 1); } .ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); } .ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }