* {
  box-sizing: border-box;
}

body {
	margin: auto;
	max-width: 20em;
	padding: 0.1em;
	font-size: 1.2em;
	font-weight: 400;
	line-height: 1.5em;
	font-family: Helvetica, Verdana, sans-serif;
	color: #333333;
}

h1, h2, h3, h4, h5, h6 {
	font-weight: 500;
}

.jahr {font-size: 0.7em;}

main {
	max-width: 41em;
}

header, nav, article, section, aside, footer {
	padding: 0.2em; 
	margin: 0.1em 0;
	border: 1px solid;
	border-radius: 0.5em;
	border-color: #789;
	text-align: center;
}

nav {
	min-height: 2.1em;
}

body {
	background: #eee;
}

header {
	background: #abc;
	font-size: 0.9em;
	line-height: 1.1em;
	margin: 0;
}

nav {
	background: #fff;
}

article {
	background: #fff;
}

aside {
	background: #fff;
}

footer {
	background: #fff;
}

/* css image sizing */
img {
	max-width: 100%;
	height: auto;
	border-radius: 0.5em;
}

.mitte {
	margin: auto;
	text-align: center;
}

address {
	font-size: 0.7em;
	font-style: italic;
	text-align: center;
}
	
/* links */
a:link { 
	text-decoration: underline;
	color: #007700;
}

a:visited { 
	color: #335577;
}

a:focus { 
	background-color: #ddd;
	padding: 0.1em 0;
	color: #a00;
}

a:hover { 
	background-color: #ddd;
	padding: 0.1em 0;
	color: #a00;
}

/* fader */

.fade-in {
    animation-name: fadeIn;
    animation-duration: 2s;
    animation-timing-function: ease-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}