* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 62.5%;
  background-color: #000;
  font-family: sans-serif;
}
a:link,
a:visited {
  color: #888;
  font-size: 2.4rem;
  text-decoration: none;
  transition: all 0.2s;
}

a:hover,
a:active {
  color: #fff;
}

ul {
  padding: 2.4rem;
  line-height: 1.2;
}