html {
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background: #f6f7f8;
  color: #202124;
}
body {
  margin: 0;
}
main {
  max-width: 720px;
  margin: 12vh auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #e4e6e8;
  border-radius: 14px;
}
h1 {
  font-size: 2rem;
  margin-top: 0;
}
p {
  line-height: 1.6;
}
a {
  color: #315b96;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}