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

body {
  font-family: 'Segoe UI', verdana;
  background-color: blue;
  color: darkblue;
  line-height: 1.6;
  padding: 20px;
}

header {
  background-color: lightblue;
  color: black;
  padding: 20px 0;
  text-align: center;
}

nav a {
  color: black;
  text-decoration: underline;
  text-decoration-color: blue;
  text-decoration-style: wavy;
  margin: 0 10px;
}

nav a:hover {
  color: black;
}

main {
  max-width: 800px;
  margin: 40px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  color: black;
}