body {
  background-color: #FFFFFF;
}
.nav_table {
  background-color: #007f00;
}
.nav_header {
  background-color: #007f00;
  color: #FFFFFF;
  text-align: left;
  font-weight: bold;
}
.content_table {
  background-color: #007f00;
  text-align: left;
}
.content_header {
  background-color: #007f00;
  color: #FFFFFF;
  text-align: left;
<!--  font-weight: bold; -->
}
td {
  vertical-align: top
}
.oldver_table {
  background-color: #009F00;
}
.oldver_header {
  background-color: #009F00;
  color: #FFFFFF;
  text-align: left;
}
.oldver_package_table {
  background-color: #FFFFFF;
}
.half {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
.master_title {
  font-size: x-large;
  font-weight: bold;
}
.master_link {
  color: #000000;
  text-decoration: none
}