.slide-down-enter-active,.slide-down-leave-active{transform-origin:top;transition:all .3s cubic-bezier(.25,.8,.25,1)}.slide-down-enter-from,.slide-down-leave-to{max-height:0;opacity:0;transform:translateY(-10px)}.slide-down-enter-to,.slide-down-leave-from{max-height:auto;opacity:1;transform:translateY(0)}