Take a look at the formatting of this 2/5 decision here (from yesterday), which seems to use the font, margins, line spacing, etc., in a format that's become standard.
Now take a gander at this 2/5 decision here (from today). Looks different, right? This second example may be where the court is headed. If you care about how your briefs look, and want to try to match the court, take heed.