menu {
	margin: 0;
	padding: 0;
}

#main-menu {
	background-color: black;
	color: white;
	width: 100%;
	margin-bottom: 10px;
}

#main-menu li {
	padding: 0;
	margin: 0;
	background-color: black;
}

#main-menu > li {
	display: inline-block;
}

#main-menu li:not(:first-child) > button {
	background-color: unset;
	border: none;
	border-left: 1px solid black;
	display: inline-block;
}

#main-menu a {
	color: inherit;
	padding: 10px;
	display: inline-block;
}

#main-menu li:hover, #main-menu a:hover {
	background-color: #49c;
}

#main-menu li > menu {
	position: absolute;
	visibility: hidden;
}

#main-menu li:hover > menu {
	visibility: visible;
}