vaadin-framework/src/com/itmill/toolkit/terminal/gwt/public/default/window/window.css

.i-window {
	border: 1px solid #999;
	/* mac FF fix for scrollbar see thru */
	position: absolute;
}
.i-window-header {
	background: yellow;
	height:20px;
	overflow: hidden;
}

.i-window-footer {
	background: #0f0;
	height:2px;
}

.i-window-contents {
	overflow:auto;
	background: #fff;
}

.i-window-resizebox {
	position:absolute;
	bottom:0;
	right:0;
	background: black;
	width: 5px;
	height: 5px;
	float:right;
	/* IE 6 hack */
	overflow: auto;
}

.i-window-closebox {
	position:absolute;
	top:0;
	right:0;
	background: red;
	width: 15px;
	height: 15px;
	float:right;
}