@collectionspace/cspace-public-browser/styles/cspace/IconButton.css

CollectionSpace public browser

.common > span {
	border: 0;
	clip: rect(0 0 0 0);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}