parseCssSizeToPx will take a CSS style and convert it to pixels
Supported input size units are in, cm, mm, pt, pc, px, em, 
are converted exactly:  in, cm, mm, pt, pc: using 1in = 2.54cm = 25.4mm =
72pt = 6pc.  The following are converted approximately:  px, em, 
approx 1em=16px=12pt and 100
parseCssSizeToPx(size)
| size | A size specified in common CSS units.  | 
    
|---|
The size converted to pixels.