<a href="#">Linky Boo</a>

a {
  background-color: red;
  color: white;
  padding: 1em 1.5em;
  text-decoration: none;
  text-transform: uppercase;
}

/* Non-Demo Styles */
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}