html {
  margin: 0 auto;
  max-width: 1024px;
}

body {
  background-color: rgb(51, 51, 51);
  color: gray;
}

header {
  text-align: center;
  font-size: 2em;
  border-bottom: solid 1px;
  border-image: linear-gradient(to right, transparent 0%, silver 50%, transparent 100%) 1;
}

header img.logo {
  margin-top: 100px;
  margin-bottom: 60px;
}

header .fqdn {
  color: inherit;
  font-family: sans-serif;
  text-decoration: none;
}

header .fqdn .hostname {
  text-shadow: 1px 1px 2px silver;
  color: white;
}

footer {
  text-align: center;
  border-top: solid 1px;
  border-image: linear-gradient(to right, transparent 0%, silver 50%, transparent 100%) 1;
}

hr {
  width: 60%;
  height: 1px;
  border: 0;
  color: silver;
  background:linear-gradient(to right, transparent 0, silver 50%, transparent 100%);
}