A:link {background:#ffffaa;color:blue}
A:hover {background:white;color:red}
A:active {background:white;color:red}
A:visited {background:#ffffaa;color:purple}
HR {color:#ccaacc}

pre {
  background: #d5edf8;
  color: #205791;
  padding:0.5em;
  margin:0;
  border: 2 px solid #ddd;
  border-color: #92cae4;
}