body {
  background-color: #ffc; 
  color: #113;
}

a:link {
  color: #a52;
}

a:visited {
  color: #e83;
}

a:hover {
  color: #da6;
}

a:active {
  color: #f90;
}

#left_column {
  background-color: #da6;
}

#center_column {
  background-color: #ffc;
}

div.book {
  background-color: #aaf;
}

div.book span.author {
  color: #555;
}