Large headers with a lot of navigation links can take up a lot of valuable real estate on your site (especially above the fold). That’s why menus that popup and slide-in are becoming more and more popular. Most of the time, menus that slide in to view stay above the content of the page, hiding certain elements. However, a sliding push menu works a little differently. The sliding push effect is unique in that the menu slides in from the top of the page while simultaneously pushing the page content down so nothing is hidden from view.
In this tutorial,