body {
  color: red;
  background-color: #222;
  font-family: sans-serif;
  padding: 0;
  margin: 0;
  text-align: center;
}

#center {
  background-color: black;
  margin-left: auto;
  margin-right: auto;
  width: 800px;
}

div#contents {
  padding: 5px;
  text-align: left;
}

p {
  color: #aaa;
  margin: 0;
}

a:visited {
  color: red;
  text-decoration: none;
}

a img {
  border: none;
}