html[data-transition=next]::view-transition-old(welcome-content){animation:slide-out-left .3s ease-in-out}html[data-transition=next]::view-transition-new(welcome-content){animation:slide-in-from-right .3s ease-in-out}html[data-transition=previous]::view-transition-old(welcome-content){animation:slide-out-right .3s ease-in-out}html[data-transition=previous]::view-transition-new(welcome-content){animation:slide-in-from-left .3s ease-in-out}::view-transition-group(welcome-preview){z-index:1}::view-transition-group(welcome-content){z-index:0}