* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Verdana, sans-serif;
  font-size: 16px;
}

header {
  background-color: black;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  height: 64px;
}

ul {
  display: flex;
  list-style-type: none;
}

li {
  margin-left: 2rem;
}

a {
  color: white;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: calc(100vh - 128px);
  text-align: center;
  padding: 1rem;
}

br {
  line-height: 2rem;
  height: 2rem;
}