View file wordpress/wp-includes/js/tinymce/plugins/inlinepopups/css/inlinepopup.css

/* Window classes */

.mceWindow {
	position: absolute;
	left: 0;
	top: 0;
	border: 1px solid black;
	background-color: #D4D0C8;
}

.mceWindowHead {
	background-color: #334F8D;
	width: 100%;
	height: 18px;
	cursor: move;
	overflow: hidden;
}

.mceWindowBody {
	clear: both;
	background-color: white;
}

.mceWindowStatusbar {
	background-color: #D4D0C8;
	height: 12px;
	border-top: 1px solid black;
}

.mceWindowTitle {
	float: left;
	font-family: "MS Sans Serif";
	font-size: 9pt;
	font-weight: bold;
	line-height: 18px;
	color: white;
	margin-left: 2px;
	overflow: hidden;
}

.mceWindowHeadTools {
	margin-right: 2px;
}

.mceWindowClose, .mceWindowMinimize, .mceWindowMaximize {
	display: block;
	float: right;
	overflow: hidden;
	margin-top: 2px;
}

.mceWindowClose {
	margin-left: 2px;
}

.mceWindowMinimize {
}

.mceWindowMaximize {
}

.mceWindowResize {
	display: block;
	float: right;
	overflow: hidden;
	cursor: se-resize;
	width: 12px;
	height: 12px;
}