curtain

On the click, a panel rises from the bottom edge while the page’s content drifts up and fades. The panel stays while the next page loads, then carries on off the top, and the new content rises in with it. Going back, it all runs top to bottom.

One full-screen panel, moved with a transform, and the content moved a little with it. The new content comes in a fifth of a second into the reveal, with the demo’s entrance.