#site-navigation {
  overflow: hidden;
  width: 900px;
  height: 48px;
  margin: 1px auto 0;
}
#site-navigation ul {
  float: right;
}
#site-navigation ul li {
  float: left;
  margin: 0;
  padding-top: 7px;
}
#site-navigation ul li a {
  display: block;
  font-size: 16px;
  color: #4a6518;
  height: 23px;
  text-decoration: none;
  text-indent: -9999em;
  background: transparent url(site-navigation.gif) no-repeat 0 0;
}
#site-navigation a.about-us             { width: 121px; background-position: 0 -12px; }
#site-navigation a.the-farm             { width: 100px; background-position: -121px -12px; }
#site-navigation a.community            { width: 121px; background-position: -221px -12px; }
#site-navigation a.why-organic          { width: 149px; background-position: -342px -12px; }
#site-navigation a.products             { width: 104px; background-position: -491px -12px; }
#site-navigation a.recipes              { width: 84px; background-position: -595px -12px; }
#site-navigation a.sustainability       { width: 137px; background-position: -679px -12px; }

#site-navigation a.about-us:hover,      #site-navigation a.about-us-selected     { background-position: 0 -53px; }
#site-navigation a.the-farm:hover,      #site-navigation a.the-farm-selected     { background-position: -121px -53px; }
#site-navigation a.community:hover,     #site-navigation a.community-selected    { background-position: -221px -53px; }
#site-navigation a.why-organic:hover,   #site-navigation a.why-organic-selected  { background-position: -342px -53px; }
#site-navigation a.products:hover,      #site-navigation a.products-selected     { background-position: -491px -53px; }
#site-navigation a.recipes:hover,       #site-navigation a.recipes-selected      { background-position: -595px -53px; }
#site-navigation a.sustainability:hover                                          { background-position: -679px -53px; }