*{
	box-sizing:border-box;
}
body {
	padding:0;
	margin:0;
	font-family:"Verdana";
}




pre{
	font-family:"Menlo","Lucida Console","Courier New";
	padding:20px;
	font-size:18px;
	background:#eee;
	white-space:pre-wrap;
	tab-size:4;
	border:1px solid #ccc;
}
pre .box{
	margin-top:10px;
	margin-bottom:-10px;
	border:1px solid #ccc;
	padding:1em;
	padding-top:0;
}
pre hr{
	margin-top:10px;
	margin-bottom:-10px;
	border-top:1px solid #ccc;
}
.page{
	display:flex;
	min-height:100vh;
	flex-direction:column;
}
.page-heading{
	position:sticky;
	top:0;
	z-index:1030;
	box-shadow:0 0 10px 1px black;
	padding:10px;
	color:white;
	background:black;
	text-align:left;

	font-size:32px;
	font-family: 'Yellowtail', cursive;

	opacity:0.8;
}
.page-heading-ex{
	font-size:64px;
}
.page-body{
	flex:1;
}
.page{
	background:url(img/bg.jpg);
	background-size:cover;
	background-position:center;
}
.page-footer{
	padding:10px;
	color:white;
	background:black;
	text-align:left;

}
.scopeXYZ .ere-control{
	visibility:hidden;
}
.scopeXYZ .ere-control,
.scopeXYZ .ere-expand,
.scopeXYZ .ere-shrink{
	position:absolute;
	top:0;
	bottom:0;
	left:0;
	right:0;
}
.scopeXYZ .ere-expand,
.scopeXYZ .ere-shrink{
	overflow:scroll;
}
.scopeXYZ .ere-expand-sub{
	position:relative;
	width:100000px;
	height:100000px;
}
.scopeXYZ .ere-shrink-sub{
	position:absolute;
	top:0;
	left:0;
	width:100000%;
	height:100000%;
}