h1 { font-family: 'Jura', sans-serif; }
h1 { font-size: 6vw;}
/*h1 { position: absolute; top: 50%; transform: translate(0, 40%) } */
img { border:1px solid black; } 
.portrait-margin 
{ 
	margin-top:10px;  
	margin-right: 10px; 
	margin-left: 10px; 
	margin-bottom: 20px 
}
.text-margin 
{ 
	margin-top:10px;  
	margin-left: 25px; 
	margin-bottom: 20px 
}
.portrait-size { width: 100%; min-width : 100px }
.intro-text { text-align:justify;}
.block { text-align:center; }
/*
.block:before { 
	content: ''; 
	display: inline-block; 
	height: 100%; 
	width: 100%; 
	vertical-align:middle;
	margin-right: -0.25em;
}
*/
.vcenter { display: inline-block; vertical-align: middle; }
span.nobr{white-space:nowrap;}