:root {
  font-family: system-ui, sans-serif;
  color: #25372f;
  background: #f7f8f4;
  line-height: 1.9;
}
body {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 24px;
}
a {
  color: #285b40;
}
h1 {
  font-size: 28px;
}
h2 {
  font-size: 19px;
  margin-top: 30px;
}
p,
li {
  font-size: 15px;
}
footer {
  border-top: 1px solid #dbe3d4;
  margin-top: 40px;
  padding-top: 20px;
  color: #637968;
}