Animates the opacity of an element from 0 to the current opacity for in transitions and from the current opacity to 0 for out transitions.
in
out
https://svelte.dev/docs/svelte-transition#fade
Optional
Animates the opacity of an element from 0 to the current opacity for
intransitions and from the current opacity to 0 forouttransitions.https://svelte.dev/docs/svelte-transition#fade