Screen
To make an overlay full screen use .xt-overlay-container.p-0 and .xt-card.min-h-screen and use Tailwind CSS (e.g. align-items, justify-content) to position .xt-card content.
Position
To make an overlay position use .xt-overlay-container.p-0 and .xt-card.min-h-screen and use Tailwind CSS (e.g. max-width, margin) on .xt-overlay-container.