* {
  margin: 0;
  padding: 0; }

a {
  color: inherit;
  text-decoration: none; }

#nav_menu {
  width: 930px;
  margin: 0;
  padding: 0;
  background: #aaa;
  height: 50px; }
  #nav_menu > ul {
    position: relative;
    background: #fff;
    padding-left: 90px;
    clear: both; }
    #nav_menu > ul:after {
      content: '';
      display: block;
      clear: both; }
    #nav_menu > ul li {
      float: left;
      padding: 5px 60px 5px 10px;
      margin-right: 1px;
      font-size: 13px;
	  font-weight: bold;
	  list-style: none;
      box-sizing: border-box; }
      #nav_menu > ul li.active, #nav_menu > ul li:hover { border-top: 4px solid #000; padding-top: 1px; }
      #nav_menu > ul li:last-child { margin-right: 0; }
      #nav_menu > ul li .sub_menu {
        display: none;
        position: absolute;
        padding: 7px 0;
        background: 0; }
        #nav_menu > ul li .sub_menu li {
          font-size: 12px;
		  margin-right: 30px;
          padding: 0; }
          #nav_menu > ul li .sub_menu li:hover {
            font-size: 12px;
			border-top: 0;
            padding-top: 0; }
        #nav_menu > ul li .sub_menu.sub_menu_3 {
         font-size: 12px;
		 left: 180px; }
        #nav_menu > ul li .sub_menu.sub_menu_4 {
          font-size: 12px;
		  left: 220px; }
        #nav_menu > ul li .sub_menu.sub_menu_5 {
          font-size: 12px;
		  right: 80px; }
        #nav_menu > ul li .sub_menu.sub_menu_6 {
          font-size: 12px;
		  right: 0px; }
      #nav_menu > ul li.mouse_active .sub_menu {
        display: block; }