ul#navigation_main {

}

ul#navigation_main li {
	 float: left;
	 position: relative;
	 list-style-type: none;
	 overflow: visible;
	 font-size: 16px;
	 margin-right: 20px;   	 	 
}

ul#navigation_main li a{
	color: #000000;
}

ul#navigation_main li a:hover {
	color: blue;
	background-color: #FFFF00;
}

ul#navigation_main li.startseite {
	width: 100px;
	overflow: visible;
	margin-left: 520px;
	font-size: 20px;
}

ul#navigation_main li.ueber {
	width: 95px;
	font-size: 20px;
}

ul#navigation_main li.projekte {
	width: 95px;
	font-size: 20px;
}

ul#navigation_main li.bilder {
	width: 70px;
	font-size: 20px;
}

ul#navigation_main li.mitglied {
	width: 170px;
	font-size: 20px;
}

ul#navigation_main li ul.dropdown_navi {
	background-color: white;
	position: absolute;
	border: solid 1px black;
	text-align: left;
	top: 23px;
	padding: 5px 5px 5px 5px;
	width: auto;
	border-radius: 7px;
	box-shadow: 0px 4px 4px 4px #707070;
	
}

ul#navigation_main li ul.dropdown_navi a {
	color: #808080;
}

ul#navigation_main li ul.dropdown_navi a:hover {
	color: red;
}

ul#navigation_main li ul li {
	display: block;
	float: none;
}

ul#navigation_main li>ul {
	display: none;
}

ul#navigation_main li:hover>ul {
	display: block;
}