.ui-dialog {
	position: fixed;	/* ALP anciennement absolute */
	box-shadow:10px 10px 10px lightblue;
	max-width:90vw;
}
.ui-dialog-titlebar {background:lightblue;}

.ui-widget-overlay {
	background: #black;
	opacity: .8;
	filter: Alpha(Opacity=80); /* pour IE8 */
}
.ui-dialog  style { /* Pour affichage des codes CSS */
	font-family:courrier, monospace;  
	white-space:pre;
	tab-size:3;
}