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This snippet allows you to make (almost) any header sticky on the page which pops-up when you scroll down, but hides itself when you. you scroll up. And as a bonus a step-by-step guide on how to implement this in Oxygen Builder. It’s simple, yet a very fancy, way to prevent your header taking up space which can be used for displaying your content. This snippet contains a small piece of CSS and a couple of lines of Javascript. The last step is to add some Javascript which will handle the showing and hiding of the header when scrolling up and down.