body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #111;
  color: #fff;
}
header {
  text-align: center;
  padding: 20px;
}
header img {
  max-width: 220px;
}
.hero {
  padding: 40px;
  background: #222;
  text-align: center;
}
.section {
  padding: 30px 40px;
  border-top: 1px solid #333;
}
ul {
  padding-left: 20px;
}
footer {
  text-align: center;
  padding: 20px;
  background: #000;
  font-size: 0.9em;
}
a {
  color: #4dd0e1;
  text-decoration: none;
}