.alphabet-menu {
	position: fixed;
	top: 50%;
	right: 10px;
	transform: translateY(-50%);
	z-index: 9999;
	background: rgba(0,0,0,0.8);
	padding: 8px;
	border: 1px solid #ccc;
	border-radius: 8px;
	font-family: sans-serif;
	text-align: center;
}
.alphabet-menu a, .alphabet-menu span {
	display: block;
	margin: 2px 0;
	text-decoration: none;
	color: #0073aa;
	font-weight: bold;
	cursor: pointer;
	font-size: 1.5vh;
}
.alphabet-menu span {
	color: #ccc;
	cursor: default;
}
.alphabet-menu a:hover {
	color: #005177;
}
`)