.handsontable .testhead {
    transform: rotate(90deg);
    height: 300px;
    /*text-align: right; */  
    margin-right: 0px; 
  }
.handsontable thead th {
  line-height: 290px;
  padding-bottom: 30px;
}

.handsontable tr {
    line-height: 20px;
}