header {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 42rem;
  max-width: 90vw;
  min-height: 100vh;
  padding-top: 16vh;
  text-align: center;
}

header > img {
  width: 100%;
}

header > nav {
  margin: 2rem 0;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-around;
}

header > nav > a {
  width: 2rem;
  color: var(--dark);
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

main > section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100vh;
}

main > section > article {
  width: 42rem;
  max-width: 90vw;
}

footer {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  width: 100%;
  padding: 16vh 2rem 2rem;
  text-align: center;
  background-color: var(--dark);
  color: var(--light);
  margin-top: var(--xl);
  box-shadow: 0 var(--xl) var(--xxl) var(--xxl) var(--light);
}

footer > nav > ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

footer > nav > ul > li > a {
  font-family: var(--sans-serif);
  font-weight: 600;
  display: inline-block;
  background-color: var(--light);
  color: var(--dark);
  border-radius: 0.2rem;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  margin: 0.4rem;
}

footer > nav {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-around;
  width: 42rem;
  max-width: 90vw;
}

footer > nav > a {
  color: var(--light);
  margin: 0 0.2rem 0.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
}

footer > nav > a > svg {
  width: 2rem;
}

footer > nav > a > small {
  display: inline-block;
}

footer > span {
  font-family: var(--serif);
  font-style: italic;
  opacity: 0.7;
}