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/* The overall footer block. */
.ws-footer {
	clear: both;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	margin-top: 1em;
	margin-bottom: 4px;
	padding: .5em .1em;
	background-color: #E6F2E6;
	border: 1px solid #ACA;
	font-size: .9em;
}

/* When prev/next link is empty the UA tends to collapse it to zero. */
.ws-footer .ws-footer-empty {
	min-width: 1em;
}

/* The previous (back) link. */
.ws-footer-back {
	text-align: left;
}
.ws-footer-back::before {
	content: "←";
}
.ws-footer-back.ws-footer-empty {
	content: " "; /* Non-breaking space to avoid collapsing. */
}
.ws-footer-back.ws-footer-empty::before {
	content: ""; /* Hide arrow when empty. */
}

/* The next (forward) link. */
.ws-footer-forward {
	text-align: right;
}
.ws-footer-forward::after {
	content: "→";
}
.ws-footer-forward.ws-footer-empty {
	content: " "; /* Non-breaking space to avoid collapsing. */
}
.ws-footer-forward.ws-footer-empty::before {
	content: ""; /* Hide arrow when empty. */
}

/* The central block. */
.ws-footer-center {
	text-align: center;
}