body {
  font-family: sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
  background-color: #fff;
}

header {
  background-color: #000;
  color: #fff;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 24px;
  margin-bottom: 0;
}

main {
  margin: 0 auto;
  max-width: 960px;
}

section {
  margin-bottom: 20px;
}

h2 {
  font-size: 18px;
  margin-top: 0;
}

p {
  margin-bottom: 10px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

li {
  margin-bottom: 10px;
}

footer {
  background-color: #f9f9f9;
  padding: 20px;
  text-align: center;
}