.math-float-up-enter-active,.math-float-up-leave-active{transition:transform .5s ease-out}.math-float-up-enter-from,.math-float-up-leave-to{transform:translateY(100%)}#chat-input2{font-size:17px;line-height:20px}#chat-input2::-moz-placeholder{color:#919699}#chat-input2::placeholder{color:#919699}