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<header>
  This text is centered.
</header>

<nav role='navigation'>
  <a href="#0">One</a>
  <a href="#0">Two</a>
  <a href="#0">Three</a>
  <a href="#0">Four</a>
</nav>  
body {
  background: #f06d06;
}

header, nav {
  text-align: center;
  background: white;
  margin: 20px 0;
  padding: 10px;
}

nav a {
  text-decoration: none;
  background: #333;
  border-radius: 5px;
  color: white;
  padding: 3px 8px;
}
Rerun