.message-enter{opacity:0;transform:translateY(10px);max-height:0;overflow:hidden}.message-enter-active{opacity:1;transform:translateY(0);max-height:500px;transition:opacity .3s ease-out,transform .3s ease-out,max-height .3s ease-out}.virtual-list-container{position:relative;overflow-y:auto;height:100%}.virtual-list-container.no-scrollbar{overflow-y:hidden}.virtual-list-content{position:relative;width:100%}.virtual-list-item{position:absolute;width:100%;will-change:transform}