body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu,
    sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #f4f4f4;
}

header {
  background-color: #333;
  color: #fff;
  padding: 1em 0;
  text-align: center;
}

header h1 a {
  color: #fff;
}

main {
  padding: 2em;
  max-width: 992px;
  margin: 0 auto;
}

article {
  background-color: #fff;
  padding: 1em;
  margin-bottom: 1em;
  border-radius: 5px;
}

article header h1 {
  margin-top: 0;
}

article section {
  margin-top: 1em;
}

article footer {
  text-align: left;
  padding: 1em;
  position: static;
  width: auto;
}

footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1em 0;
  position: fixed;
  bottom: 0;
  width: 100%;
}

footer a {
  color: #fff;
}
