nav {
	box-sizing: border-box;
	width: 100%;
	overflow: hidden;
	*z-index: 2;
	background-color: #0f0;
}
nav ul {
	list-style-type: none;
	*padding: 0;
}
nav ul li {
	display: inline;
	*padding: 10px;
}
nav a {
	float: left;
	display: block;
	box-sizing: border-box;
	padding: 10px 15px;
	text-align: center;
	color: green;
}

nav a:hover {
	background-color: #555;
	color: white;
}

nav a.active {
	background-color: #555;
	color: white;
}
.dropdown {
	float: left;
	overflow: hidden;
}

.dropdown .dropbtn {
	font-size: 17px;
	border: none;
	outline: none;
	color: green;
	padding: 10px 10px;
	background-color: inherit;
	font-family: inherit;
	margin: 0;
}

.dropdown-content {
	display: none;
	position: fixed;
	//absolute;
	background-color: #f9f9f9;
	min-width: 160px;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	z-index: 1;
}

.dropdown-content a {
	float: none;
	color: black;
	padding: 10px 10px;
	text-decoration: none;
	display: block;
	text-align: left;
}
.topnav a:hover, .dropdown:hover .dropbtn {
  background-color: #555;
  color: white;
}

.dropdown-content a:hover {
  background-color: #ddd;
  color: black;
}
.dropdown:hover .dropdown-content {
  display: block;
}