* {
  border: 0;
  font-size: 1em;
  list-style: none;
  margin: 0;
  outline: 0;
  padding: 0;
  text-decoration: none;
}

a {
  color: #000;
}

article, main, nav, section {
  display: block;
}

body {
  background: #fff;
  border: 4px double #000;
  bottom: 1px;
  color: #000;
  display: flex;
  flex-direction: column;
  left: 1px;
  position: absolute;
  right: 1px;
  top: 1px;
}

footer {
  font-size: 24px;
  word-spacing: -8px;
}

footer span {
  display: inline-block;
  position: relative;
  transform: rotate(90deg);
}

footer abbr {
  font-size: 0.75em;
  letter-spacing: 1px;
}

h1 {
  padding: 1.5em;
  text-align: center;
}

html {
  background: #000;
  color: #fff;
  font: normal 16px/1.5 sans-serif;
}

iframe {
  left: 24px;
  position: absolute;
  bottom: 24px;
}

#content {
  height: 100%;
  margin: 0 auto;
  max-width: 100%;
  text-align: center;
}

footer {
  display: flex;
  padding: 19px;
}

.logo {
  max-width: 300px;
}

nav {
  text-align: center;
}
@media (min-width: 900px) {
  nav {
    position: absolute;
    right: 48px;
    top: 24px;
  }
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
nav li {
  height: 72px;
  overflow: hidden;
  margin: 0 0 0 12px;
  text-indent: -9999px;
  width: 81px;
}
nav li a {
  display: block;
  height: 72px;
  float: left;
  width: 81px;
}

nav li.first {
  background: url(nav-a-first.png);
}

nav li.prev {
  background: url(nav-a-previous.png);
}

nav li.next {
  background: url(nav-a-next.png);
}

nav li.last {
  background: url(nav-a-last.png);
}

nav li.first a {
  background: url(nav-first.png);
}

nav li.prev a {
  background: url(nav-previous.png);
}

nav li.next a {
  background: url(nav-next.png);
}

nav li.last a {
  background: url(nav-last.png);
}

nav li.first a:hover {
  background: transparent;
}

nav li.prev a:hover {
  background: transparent;
}

nav li.next a:hover {
  background: transparent;
}

nav li.last a:hover {
  background: transparent;
}

footer ul {
  display: flex;
  margin-right: auto;
}

svg {
  height: 100%;
  max-height: 100%;
  max-width: 100%;
  vertical-align: bottom;
  width: auto;
}