mediawiki-extensions-VisualEditor/modules/es/styles/es.SurfaceView.css

.es-surfaceView {
	overflow: hidden;
	font-size: 1em; /* to look more like MediaWiki use: 0.8em */;
	margin-left: -1em;
	margin-right: -1em;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	-o-user-select;
	user-select: none;
}

.es-surfaceView-textarea {
	position: absolute;
	z-index: -1;
	opacity: 0;
	color: white;
	background-color: white;
	border: none;
	padding: 0;
	margin: 0;
	width: 1px;
}

.es-surfaceView-textarea:focus {
	outline: none;
}

.es-surfaceView-cursor {
	position: absolute;
	background-color: black;
	width: 1px;
	display: none;
}