.index_table{
  margin-left:auto;
  margin-right:auto; 
  background-image:url(../images/great_lakes_main.jpg); 
  background-repeat:no-repeat; 
  width:760px; 
  height:620px;
}
.upper_half{
  width:570px;
  height:235px;
}
.bottom_half{
  height:270px;
}
.top_margin{
  height:40px;
}
.footer_line{
  color:white;
  font-weight:bold;
  font-size:10px; 
  letter-spacing: 1px;
  height:35px;
}
.index_menu a {
  color: #0000CC;
  font-family: Verdana, Arial, sans-serif;
  font-size:14px;
  font-weight:bold;
  line-height:140%;
}
.index_menu a:hover{
  color: #66F;
}