styles.css

/*

This CSS file will be included with your plugin, and
available in the app when your plugin is enabled.

If your plugin does not need CSS, delete this file.

*/

.block-language-preview code {
	white-space: pre;
}

pre[class*=language-].code-block-pre__has-line_num {
	padding-left: 3.5em;
}

.code-block-pre__has-line_num::before {
	padding-top: 6px;
}

/* 代码行号 */
.code-block-line_num-wrap {
	position: absolute;
	/* top: 8px; */
	left: 0px;
	min-width: 3em;
	counter-reset: line-num;
	text-align: center;
	user-select: none;
	pointer-events: none;
	background-color: transparent;
}

.code-block-line_num-wrap .code-block-line_num {
	display: block;
	counter-increment: line-num;
	pointer-events: none;
}

.code-block-line_num-wrap .code-block-line_num::before {
	content: counter(line-num);
}

/* 代码高亮 */
pre[class*=language-] .code-block-highlight-wrap {
	margin: 0;
	padding: 0;
	position: absolute;
	/* top: 8px; */
	left: 0px;
	width: 100%;
	height: 100%;
	background-color: transparent;
	pointer-events: none;
	overflow: hidden;
}

pre[class*=language-] .code-block-highlight-wrap span {
	display: block;
	height: 1.5em;
	width: 100%;
}