/**
 * Mermaid Diagram block - front end.
 * Loaded only on requests that render the block. Once Mermaid has drawn a
 * diagram (data-processed), drop the code-block look the theme gives <pre>.
 * Before that, and without JS, the source shows as an ordinary <pre>.
 */
.wp-block-lh-mermaid-diagram[data-processed] {
	background: none;
	border: 0;
	box-shadow: none;
	padding: 0;
	white-space: normal;
	text-align: center;
	overflow-x: auto;
}