#header {
	/* border: 1px solid red; */
	background-color: lightblue;
	position: sticky;
	top: 0px;
}

#EDUname {
	margin-left: 50%;
}

#menu {
	position: relative;
	text-align: center;
	padding-bottom: 5px;
	min-width: 500px;
}

/* https://developer.mozilla.org/ru/docs/Web/CSS/Pseudo-classes */
#menu a:hover {
	color: black;
}

#menu a {
	background: blue;
	color: white;
	text-decoration: none;
	margin: 0 1px;
	padding: 6px 10px 5px;
	border-top-left-radius: 10px;
	border-top-right-radius: 10px;
}

#menu a.active {
	color: black;
}