Must text be in a p-tag?

[TechnoBear]

This topic seem to be an off-shoot/continuation of this one:

Is this approach good or bad?

I need to create a bunch of boxes on my client’s website that contain different bits of info from facts to stats to adverts. In the past I would just create one humongous style for each box like this… <div id="boxSaveMoney"> We save you $$$ </div> #boxSaveMoney{ margin: 0 0 20px 0; padding: 15px 15px 15px 15px; border: 1px solid #3BAA00; -moz-border-radius: 6px; -webkit-border-radius: 6px; border-radius: 6px; background-color: #3BAA00; line-height: normal; …

(I thought it might help the discussion if participants had the background.)