#black-screen, #center-gui, #free-gui, #popup-black-screen, #popup { display: none; }
#free-gui  { z-index: 100000; }
#black-screen, #center-gui { z-index: 300000; }
#popup-black-screen, #popup { z-index: 500000; }

#black-screen, #center-gui, #popup-black-screen, #popup
{
	position: absolute; 
	left: 0px; 
	right: 0px; 
	top: 0px; 
	bottom: 0px; 
}

#black-screen, #popup-black-screen 
{
	background-color: rgb(0, 0, 0); 
	opacity: 0.7; 
}

#center-gui, #popup
{
	text-align: center; 
	white-space: nowrap; 
}

#center-gui-content, #popup-content
{
	text-align: center; 
	display: inline-block; 
	vertical-align: middle; 
}

/* Version mobile */

#mobile #center-gui, #mobile #popup
{
	overflow-x: hidden; 
	overflow-y: auto; 
}

/**** Drag & Drop ****/ 
.dragged  { box-shadow: 0px 2px 5px rgb(0, 0, 0); }