Fixed header anchor fix

style.css

/*
 * set 60px to whatever height your navbar is 
 * This works on any selector as long as you 
 * give it the :before pseudo-selector.
 *
 */

div[id]:before{
  display: block; 
  content: ""; /* IE fix I really forgot what for */
  height: 60px; 
  margin: -60px 0 0; /* make sure to make the height negative here */
}