/*.menu {
 height: auto;
 width: 97%;
 valign: bottom; 
}*/
div.past {
 margin-right: auto;
 margin-left: auto;
 text-align: center;
}

table.menu {
 border-spacing: 0;
 width: 100%;
}
div.menu, td.menu {
 width: auto;
 height: auto;
 text-align: center;
 background-position: center;
 color: white;
 background-color: #563d5d;
 text-decoration: none;
 font-size: 1.1em;
}
.previous {
text-align: left;
}
.next {
text-align: right;
}
a.menu, a.menu:link, a.menu:visited, a.menu:hover, a.menu:active {
  color: #fff;
  text-decoration: none;
  width: 185px;
  margin: 0 10px;
  padding: 2px 10px;
  display: block;
  float: left;
}