Blogger's compose mode sometimes acts a little weird. It displays the deal wrong (not according to the formatting - but correctly when posted), and sometimes even decides to NOT post it or not show it. This is mainly because the Editor sucks... Sorry - but it is the truth. So a little tip is not to change between the Compose mode and Edit html mode while adding a deal. Remember - when adding a Deal or Auction to a post ALWAYS be in HTML-mode.
font-size: 11px; /* variable fontsize */