html, body, #unity {
  margin: auto;
  height: 98%;
  cursor: default;
}

#unity {
  display: table;
}

#and, #variety {
  display: table-cell;
  vertical-align: middle;
}

a {
  display: block;
  width: 613px;
  height: 374px;
  background: url(hello.jpg) no-repeat;
}