Background images and their size

I think here should be a way to explicity set the stretching/size of 
background images.  If this is not possible I'm forced to use a 
specific pixel size for the fonts on the page if they have background 
images they are supposed to line up against.

I'd much rather do this:

p { background: url(red.gif)
   background-height: 2.5em
   font-size: 14pt
}

than:

p { background: url(red.gif)
   font-size: 35px  /*where this correlates to the image size*/
 }

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| Mortar: Advanced Web Development <http://bigpic.com/mortar/>
| Neil St.Laurent  neil@bigpic.com
| Big Picture Multimedia