::view-transition-old(root){animation:.3s cubic-bezier(.4,0,1,1) both vt-slide-down}::view-transition-new(root){animation:.3s cubic-bezier(0,0,.2,1) both vt-slide-up}@keyframes vt-slide-down{0%{transform:translateY(0)}to{transform:translateY(100vh)}}@keyframes vt-slide-up{0%{transform:translateY(100vh)}to{transform:translateY(0)}}