html, body, .wrapper {
  margin: 0;
  padding: 0;
}

* {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, sans-serif;
}

nav {
  margin: 0;
  padding: 1em;
  background-color: #0f0f1c;
}
nav ul {
  list-style: none;
  display: flex;
}
nav ul li {
  padding: 1em;
}

a {
  color: #77f;
}
a:visited {
  color: #85f;
}

main {
  margin: 1em;
}