.top_menu {
    background-color: #333;
    font-family: Verdana,sans-serif;
}

ul.top_menu {
  list-style-type: none;
    margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;

  /*position: fixed;
  top: 0;*/
  width: 100%;
}

ul.top_menu li {
    float: left;
}

ul.top_menu li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change the link color to #111 (black) on hover */
ul.top_menu li a:hover {
  background-color: #111;
}

ul.top_menu .active {
  background-color: #4CAF50;
}

/* Add a gray right border to all list items, except the last item (last-child) */
ul.top_menu li {
  border-right: 1px solid #bbb;
}

ul.top_menu li:last-child {
  border-right: none;
}

.sticky{
  position: fixed;
	top: 0;
	z-index: 9999;
	width: 100%;
	margin-top: 0px;
}