nav{
	top: 0px;
	position: sticky;
	font-size: 1.3rem;
	background: #13191c;
}

nav ul{
	overflow: auto;
	list-style-type: none;
	background: #13191c;
}

nav li{
	float: left;
	text-align: center;
}

nav a{
	display: block;
	padding: 15px max(2vw, calc(550px / 50)); /*625px*/
	/*border-top: 2px solid #13191c;
	border-bottom: 2px solid #13191c;*/
	text-decoration: none;
	color: lightblue;
}

nav a.current_page, nav a:hover{
	/*background: #080a0b;*/
	background: #040506;
	/*color: lightblue;*/
}

nav a.current_page, nav a.current_page:hover{
	/*border-top: 2px solid lightblue;
	border-bottom: 2px solid #222d32;*/
	box-shadow: inset 0 1px 0 0 lightblue;
	background: #222d32;
}

nav a:hover{
	/*border-bottom: 2px solid white;*/
	box-shadow: inset 0 -1px 0 0 white;
	color: white;
}

nav a.current_page:hover{
	/*border-bottom: 2px solid #13191c;
	border-bottom: 2px solid #222d32;*/
	color: lightblue;
}
/*
nav .current_page{
	border-bottom: 2px solid lightblue;
}*/
nav .subnav + a::after{
	content: "\a0\a0\25bc";
	font-size: 0.8rem;
}

.subnav{
	display: none;
	position: absolute;
	/*top: 166px;*/
	top: 54px;
	background: #13191c;
}

.subnav .current_page, .subnav .current_page:hover{
	box-shadow: none;
}

nav li:hover .subnav{
	display: block;
}