header{
  
  width: 80vmin;
  margin: 2vmin auto;
  font-family: "Arial Narrow", "Helvetica Condensed", sans-serif;
}


header a {
  
  text-decoration: none;
}

.active{
  color: orange;
  text-decoration: underline;
  
}

@media (min-width: 800px)