* {
	margin: 0;
	padding: 0;
	-moz-box-sizing: border-box; 
	-webkit-box-sizing: border-box; 
	box-sizing: border-box;
}

body {
	font-family: 'Helvetica Neue','Helvetica', Arial, sans-serif;
}

.main-content {
	height: 800px;
	width: 1000px;
	margin: 0 auto;
}

.overlay-bg {
	display: none;
	position: absolute;
	top: 0;
	left: 0;
	/* height:100%! important; */
	height: auto;
	width: 100%;
	cursor: pointer;
	z-index: 1000; /* high z-index */
	background: #000; /* fallback */
	background: rgba(0,0,0,0.75);
}
	.overlay-content {
		
		display: none;
		background: #111;
		padding: 2%;
		width: 60%;
		position: absolute;
		top: 15%;
		left: 20%;
		cursor: default;
		z-index: 10001;
		border-radius: 10px;
		box-shadow: 0 0 5px rgba(0,0,0,0.95);
	}

	.close-btn {
		color: rgb(220,220,220);
		cursor: pointer;
		position: absolute;
		top: -10px;
		right:-10px;
		width:20px;
		height:20px;		
		padding: 0%;
		background: #222; /* fallback */
		border-color: #222;
		border-radius: 7px;
		/* box-shadow: 0 0 4px rgba(0,0,0,0.3);  */
	}
	.close-btn:hover {
		background: #444;
	}

/* media query for most mobile devices */
@media only screen and (min-width: 0px) and (max-width: 480px){

	.overlay-content {
		width: 96%;
		margin: 0 2%;
		left: 0;
	}
}