table {
  border-collapse: collapse;
  width: 100%;
  height: 100%;
  vertical-align: right;
  font-family: Arial, Helvetica, sans-serif;
}

table, th, td {
  border: 1px solid;
  vertical-align: middle;
  font-size: xx-large;
}
td {
   text-align: center;
}