body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f8f8f8;
  color: #222;
  margin: 0;
  padding: 0;
}

header {
  background: #222;
  color: #fff;
  padding: 24px 0 16px 0;
  text-align: center;
}

h1,
h2 {
  font-weight: 700;
}

section {
  background: #fff;
  margin: 32px auto;
  padding: 24px 32px;
  max-width: 700px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

ul {
  margin-left: 24px;
}

img {
  border-radius: 6px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
}