.menu {
    overflow-x: clip;
    overflow-y: visible;
    height: 2em;
    max-height: 2em;
    min-height: 2em;

    display: flex;
    align-items: center;
    justify-content: right;

    padding: 0 1em;
}

.menu a {
    text-decoration: none;
    color: inherit;
}

.menu .active {
    font-weight: bold;
}

.menu > ol {
    list-style: none;
    padding-left: 0;
    height: 100%;
}

.menu > ol > li > * {
    width: 100%;
}

.menu > ol > li > button {
	background: none;
	color: inherit;
	border: none;
	padding: 0.5em 2em 0.5em 0.5em;
	font: inherit;
	cursor: pointer;
	outline: inherit;
	position: relative;
	text-align: left;
}

.menu > ol > li > button:after {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    right: 0.7em;
    width: 0;
    height: 0;
    border-left: 0.3em solid transparent;
    border-right: 0.3em solid transparent;
    border-top: 0.3em solid #ccc;
    margin-top: -0.15em;
}

.menu > ol > li {
    display: inline-block;
    height: 100%;
    border: 1px solid #ccc;
}

.menu > ol > li > *:first-child {
    height: 100%;
}

.menu > ol > li:hover > .submenu,
.menu > ol > li:focus-within > .submenu {
    background: white;
    visibility: visible;
}

.submenu {
    visibility: hidden;
    margin: 0;
    padding: 0;
    list-style: none;

    margin-left: -1px;
    border: 1px solid #ccc;
    border-top: none;

    position: relative;
    z-index: 1;
}

.submenu > li > a {
    padding: 0.5em;
    display: block;
}

.submenu > li {
    width: fit-content;
    min-width: 100%;
}

.submenu > li:hover,
.submenu > li:focus-within {
    background: #eee;
}