.fast-fade-enter-active{transition:opacity 1.7s ease,transform .7s ease}.fast-fade-leave-active{transition:opacity .5s ease-out}.fast-fade-enter-from,.fast-fade-leave-to{opacity:0}.header-enter-active,.header-leave-active{transition:font-size .3s ease}.header-enter-from,.header-leave-to{font-size:0px}