.go_index {
  margin: 0;
  padding: 0;
  margin-right: 1em;
  font-size: 80%;
  text-align: right;
}

.go_index a {
  background-color: #996666;
  color: #ffffff;
  text-decoration: none;
}

.go_index a:hover {
  border: 1px solid black;
  background-color: #ffff00;
  color: #000000;
  text-decoration: none;
}