09px;
  }

  /*
       8px (body's margin-left)
   + 100px (#parent's margin-left) 
   +   3px (#parent's border-left) 
   +  50px (#child's margin-left) 
  ==================
     161px
  */

  /* 
      16px (max(8px, 16px): body's margin-top collapses with p's margin-top) 
  +   20px (first line) 
  +   20px (second line) 
  +  100px (max(16px, 100px): p's margin-bottom collapses with #parent's margin-top) 
  +    3px (#parent's border-top) 
  +   50px (#child's margin-top) 
  ==================
     209