* {
	box-sizing: border-box;
}
body {
	max-width: 800px;
	margin: 50px auto;
	background: #bba;
}

.menu {
	display: flex;
	width: 100%;
	list-style: none;
	margin: 1rem auto 15rem;
	padding: 0;
	height: 36px;
	background: #554;
	color: #ddc;
}
.menu-item {
	flex-grow: 1;
	position: relative;
	padding: 10px;
	text-align: center;
}
.submenu {
	display: none;
	list-style: none;
	position: absolute;
	top: 36px;
	left: 0;
	margin: 0;
	padding: 0;
	width: 100%;
	font-size: 0.8rem;
	background: #665;
}
.submenu > li {
	position: relative;
}
.submenu a {
	display: block;
	width: 100%;
	height: 100%;
	padding: 10px;
	color: #ddc;
	text-decoration: none;
}
.submenu a:hover {
	background: #776;
}

.submenu > li > ul {
	display: none;
	list-style: none;
	position: absolute;
	top: 0;
	left: 100%;
	margin: 0;
	padding: 0;
	width: 100%;
	background: #665;
}


#standard .menu-item:hover > .submenu {
	display: block;
}
#standard .submenu > li:hover > ul {
	display: block;
}

#hover-intent .menu-item.visible > .submenu {
	display: block;
}
#hover-intent .submenu > li.visible > .subsubmenu {
	display: block;
}