WYSIWYG styles for WordPress editor. Displays the elements classname next to each element

wysiwyg.css

body *[class] {
	position:relative;
	border:1px dashed #ccc;
}
body *[class]::before {
	content:attr(class);
	line-height:10px;
	color:#fff;
	font-size:9px;
	font-family:sans-serif;
	word-spacing:2px;
	padding:2px 4px 2px 4px;
	background:#aaa;
	position:absolute;
	top:-14px;
	left:-1px;
}