.expand-transition{transition:all 2s ease;height:30px;padding:10px}.expand-enter,.expand-leave{height:0;padding:0 10px;opacity:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}