CSS file

body{
  margin:0;
  background-color: red;
}

#submenu{
height: 45px;
width: 100%;
background-color:green;
}

#navigation.fixed{
	position:fixed;
	background-color: blue;
	width:100%;
	top:0;
	height:45px;
	color:white;
	}


#navigation{
position:absolute;
background-color:blue;
width: 100%;
height: 45px;
color:white;
}

#nav-wrapper{
width: 1600px;
margin-left: 65px;
text-align: left;
}

#navigation ul{
list-style-type: none;
padding: 0;
margin: 0;
}

#navigation ul li{
display: inline-block;
color: green;

}

#navigation ul li:hover{
background-color: blue;
}

#navigation ul li a, visited{
display: block;
text-decoration: none;
}

#navigation ul li:activated{
border-top: 2px solid black;
}

#navigation li{
width: 180px;
text-align:center;
font-size: 20px;
height: 45px;
background-color:white;
}

li{
text-align:center;
}

/*#navigation a{
top: 10px;
color: green;
vertical-align: middle;
}*/

#navigation a{
color: green;
line-height: 45px;
}

header{
background-color:orange;
height: 80px;
}