.navigation {
	margin:0;
	padding:0;
	line-height:0;
	border-bottom:2px solid #111;
}

.navigation span {
	display:inline-block;
	margin:0;
	padding:0;
	height:64px;
	text-align:center;
	border-left:2px solid #111;
	cursor:pointer;
}
.navigation span:first-of-type {
	border-left:none;
}
.navigation span:hover {
	background:rgba(255,255,255,0.08);
}
.navigation span:active {
	background:rgba(0,0,0,0.08);
}
.navigation span.selected {
	background:rgba(0,0,0,0.15);
}

.navigation span img {
	margin:16px;
	padding:0;
	pointer-events:none;
}