body {
	display: flex;
	flex-wrap: wrap;
	font-family: sans;
}

header {
	flex-basis: 100%;
	flex-shrink: 0;
}

article {
	flex-basis: 60%;
	padding-left: 1em;
}

footer {
	flex-basis: 100%;
	flex-shrink: 0;
}

header nav {
	display: flex;
	justify-content: space-between;
}

nav a,
header a {
	text-decoration: none;
	color: inherit;
}

header h1 span {
	margin-left: 0em;
	font-size: 50%;
	font-style: italic;
}

body>nav {
	flex-basis: content;
	padding-right: 1vw;
	min-width: 16em;
}

nav ul {
	display: flex;
	flex-direction: column;
	list-style-type: none;
	list-style-position: outside;
	padding-left: 0;
}

nav li ul {
	padding-left: 0.6em
}

footer {
	display: flex;
	justify-content: space-between;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 80%;
}

.img-frontpage-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 30%;
}

.img-medium-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}