:root {
  color-scheme: dark light;
}

body {
  max-width: 60rem;
  margin: 5rem auto 0 auto;

  font-family: sans-serif;
  padding: 1rem;
}

section,
header,
main,
footer {
  margin: 5rem 0;
}

.sosumi ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

.sosumi ul li {
  padding-right: 3rem;
}

#backtrack {
  border-radius: 30px;
  border: 2px solid gray;
  padding: 4px 8px;
}

#backtrack {
  text-decoration: none;
}