.puzzle-table {
  display:table;
  width:100%;
  border-spacing: 30px;
}

.puzzle-table-cell {
  display:table-cell;
  min-width: 130px;
  min-height: 130px;
  max-width: 130px;
  max-height: 130px;
  font-size: 18pt;
  text-align: center;
}

.puzzle-table-img {
    min-width: 130px;
    min-height: 130px;
    max-width: 130px;
    max-height: 130px;
}

.clickable {
  cursor: pointer;
  border:1px solid darkgrey;  
}