body {
  background-color: #ddf; 
  color: #303;
}

a:link {
  color: #00d;
}

a:visited {
  color: #66d;
}

a:hover {
  color: #60a;
}

a:active {
  color: #f90;
}

span.link_like {
  color: #00d;
}

#left_column {
  background-color: #60a
}

#center_column {
  background-color: #ddf;
}

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

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