"Covering entire walls with wallpaper is rather passé. Instead, the current trend is to apply only a single strip, or a piece of wall mural—such as this masterful reference to Mondrian in this case—to give your room a more dramatic or exciting feel." Hmmm...interesting idea. Must start looking at the left over wall paper at the thrift stores.
CSS: Thinking Outside The Box Model ~ The Mondrian Challenge, A content formatting model should simply be able to replicate any “De Stijl” painting by Piet Mondrian, with text & media content within each rectangle, each rectangle’s minimum height should adhere to the inner content’s height without the aid of scripting.