// http://www.olivergast.de/blog/2015/05/12/css-ein-horizontales-dropdown-menue-reloaded/


* {
  box-sizing: border-box;
}

nav {
	border-top-left-radius: 4px;
	border-top-right-radius: 4px;
	float: left;
	margin-left: 15px;
	margin-right: 15px;
	background: white;
	font-size: 18px;
}

nav ul {
	margin: 0;
	margin-bottom: -5px;
	padding: 0;
}

nav a {
  display: block;
  color: #fff;
  text-decoration: none;
}

nav ul li {
  position: relative;
  float: left;
  list-style: none;
  color: #fff;
  transition: 0.5s;
}

nav ul li a {
  padding: 0px;
}

nav ul > li.submenu > a:after {
  position: relative;
  float: right;
  content: '';
  margin-left: 10px;
  margin-top: 5px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #fff;
  border-bottom: 5px solid transparent;
}

nav ul ul li.submenu > a:after {
  margin-left: auto;
  margin-right: -17px;
  border-left: 5px solid #fff;
  border-right: 5px solid transparent;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

nav ul ul {
  position: absolute;
  top: -9999px;
  left: -9999px;
  background: #333;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
  z-index: 1;
}

nav ul ul li {
  float: none;
  width: 105%;
}

nav ul ul li a {
  padding: 10px 20px;
}

nav ul ul li:last-child {
  border-bottom: none;
}

nav ul li:hover > ul {
  top: 100%;
  left: 0;
}

nav ul ul li:hover > ul {
  top: 0;
  left: 100%;
  width: 100%;
}