.slide{position:relative;width:100%;overflow-y:hidden}.slide-in{animation:slide-in .5s forwards;-webkit-animation:slide-in .5s forwards}.slide-out{animation:slide-out .5s forwards;-webkit-animation:slide-out .5s forwards}@keyframes slide-in{0%{max-height:45px}to{max-height:600px}}@keyframes slide-out{0%{max-height:600px}to{max-height:45px}}