.nav {
	width: 100%;
	float: left;
	margin: 0 0 3em 0;
	padding: 0;
	list-style: none;
	background-color: #f2f2f2;
	border-bottom: 1px solid #ccc; 
	border-top: 1px solid #ccc; }
.nav ul {
  text-align: left;
  display: inline;
  margin: 0;
  padding: 15px 4px 17px 0;
  list-style: none;
  -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  -moz-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
}

.nav ul li {
  font: bold 15px/18px sans-serif;
  display: inline-block;
  margin-right: -4px;
  position: relative;
  padding: 15px 20px;
  background: #fff;
  cursor: pointer;
  -webkit-transition: all 0.2s;
  -moz-transition: all 0.2s;
  -ms-transition: all 0.2s;
  -o-transition: all 0.2s;
  transition: all 0.2s;
}



.nav li {
	float: left;
        background-color: #f2f2f2
        }
.nav li a {
	display: block;
	padding: 8px 15px;
	text-decoration: none;
	font-weight: bold;
	color: #069;
	 }
.nav ul li a:hover {
  
    background: #555;
    color: #fff;
}





.nav ul li ul {
  padding: 0;
  position: absolute;
  top: 48px;
  left: 0;
  width: 150px;
  -webkit-box-shadow: none;
  -moz-box-shadow: none;
  box-shadow: none;
  display: none;
  opacity: 0;
  visibility: hidden;
  -webkit-transiton: opacity 0.2s;
  -moz-transition: opacity 0.2s;
  -ms-transition: opacity 0.2s;
  -o-transition: opacity 0.2s;
  -transition: opacity 0.2s;
}
.nav ul li ul li { 
  background: #555; 
  display: block; 
 
  text-shadow: 0 -1px 0 #000;
}
.nav ul li ul li:hover { background: #000;color: #fff; }
.nav ul li:hover ul {
  display: block;
  opacity: 1;
  visibility: visible;
}