libreoffice-online/loleaflet/dist/partsPreviewControl.css

#document-container.parts-preview-document {
        left: 214px;
}

#slide-sorter {
	height: 100%
}

.preview-frame {
	max-width: 190px;
	white-space: nowrap;
	text-align: center; margin: 1em 0;
	}

.preview-helper {
	display: inline-block;
	height: 100%;
	vertical-align: middle;
	}

.preview-img {
	/* In draw docs, the width of previews are small, but we want a min of 180px to align it with document's left edge */
        min-width: 180px;
	vertical-align: middle;
	max-width: 184px;
	cursor: pointer;
	border: 2px solid #dfdfdf;
	}

.preview-img-selected {
	border-color: #000000;
}