Sure, my mistake. Flip that "position:absolute" for "position:fixed". Note how I wrote "z-index:..." to imply an element covering the whole page. Also note tha

Sure, my mistake. Flip that "position:absolute" for "position:fixed". Note how I wrote "z-index:..." to imply an element covering the whole page. Also note that activating your adblock does not disable the message in the OP, you'd also need to refresh the page since you are effectively removing the body.