/* _____________________________________________________ Menü oben mit Dropdown-Pfeilen _____________________________________________________ */

/* nav {box-sizing: border-box; position: absolute; top: 10px; left: 10px; width: 30%; background: white; font-size: 14px; border-bottom: 0px solid lightgrey; }*/

nav ul {margin: 0; padding: 0;}
nav a {display: block; color: black; text-decoration: none;}
nav ul li {position: relative; float: left; list-style: none;}
nav ul li:hover {background: lightgrey;}
nav ul li a {padding: 5px;}
nav ul ul {position: absolute; top: -9999px; left: -9999px; background: white; box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.6);}
nav ul ul li {float: none; width: 200px; border-bottom: 0.5px solid lightgrey; border-left: 0.5px solid lightgrey;}
nav ul ul li a {padding: 5px 5px 5px 5px;}
nav ul li:hover > ul {top: 100%; left: 0;}
nav ul ul li:hover > ul {top: 2px; left: 200px;}

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

nav ul ul li.submenu a:after {margin-left: auto; margin-right: -10px; border-left: 5px solid grey; border-right: 5px solid transparent; 
	border-top: 5px solid transparent; border-bottom: 5px solid transparent;}

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