.pkk-sticky { width: 100%; height: 600px; overflow: auto;}
.pkk-sticky .table {overflow: auto;}
.pkk-sticky td:first-child {position: sticky; position: -webkit-stick; left: 0px; z-index: 2; background-color: white;}
.pkk-sticky th {position: sticky; position: -webkit-stick; top: 0px; z-index: 4; background-color: white;}