/* don't get rid of units for zero values if not crunching numbers */
body
{
  margin: /* leading units zeros */ 009px, /* trailing fraction zeros */ 9.8000px, 
    /* zero pixels (remove units) */ 00px, /* zero units */ 0.9em;
  
  height: 09.900;
  width: 00.500;
  z-index: 0.090;
  font-size: 09.000;
  top: 000.000px;
  bottom: 0px; 
}