.collapse-transition{-webkit-transition:height .3s ease-in-out,padding-top .3s ease-in-out,padding-bottom .3s ease-in-out;transition:height .3s ease-in-out,padding-top .3s ease-in-out,padding-bottom .3s ease-in-out}
.fade-enter-active,.fade-leave-active{-webkit-transition:opacity .3s ease-out;transition:opacity .3s ease-out}.fade-enter,.fade-leave-to{opacity:0}