p.newline {
	clear:both; 
	height: 0;
    	font-size: 0;
    	line-height: 0;
    	margin:0;
    	padding:0;
}
body#tinymce p.newline {
	color:green;
	border:1px dotted green;
	font-size:0.5rem;
	line-height:normal;
	height:auto;
}

body#tinymce p.newline:before {
	content: "Newline";
}