#navbar-main {
  /* Added `.affix-top` class css when the element is top */
  &.affixed-top {
    background: black;
  }
  /* Added `.affix` class css when the element is >= 170px (Look: line 8 html) */
  &.affix {
    background: gray;
    top: 0;
    left: 0;
    right: 0;
  }
  /* Added `.affix-bottom` class css when the element is footer */
  &.affix-bottom {
    background: red; 
  }
}

/* Not important */
.footer {
  background: #eee;
  height: 1000px;
}



.navbar-inverse{
	box-shadow:1px 0px 7px 1px #555555;	
	border-radius:0px;	
}