test-case-app/public/mxgraph-base/css/explorer.css

div.mxTooltip {
	filter:progid:DXImageTransform.Microsoft.DropShadow(OffX=4, OffY=4, 
        Color='#A2A2A2', Positive='true');
}
div.mxPopupMenu {
	filter:progid:DXImageTransform.Microsoft.DropShadow(OffX=4, OffY=4, 
        Color='#C0C0C0', Positive='true');
}
div.mxWindow {
	_filter:progid:DXImageTransform.Microsoft.DropShadow(OffX=4, OffY=4, 
        Color='#C0C0C0', Positive='true');
}
td.mxWindowTitle {
	_height: 23px;
}
.mxDisabled {
	filter:alpha(opacity=20) !important;
}