body {
	margin: 0px;
	font-family: Arial, Helvetica, sans-serif;
	min-height: 100%; 
	height: auto;
}

.nav {
  overflow: hidden;
  background-color: #ddd;
}

.nav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 18px;
}

.nav a:hover {
  background-color: #93C0FF;
}

.nav a.active {
  background-color: #4C85D3;
}