.student-datatable .q-table-container thead tr:first-child th{position:-webkit-sticky;position:sticky;top:0;background:#fff;z-index:1000}.student-datatable .q-table-container .q-table-middle.scroll{max-height:calc(100vh - 250px)}.student-datatable .gender-select{font-size:13px;line-height:13px;height:13px}.student-datatable .gender-select .q-icon.q-if-control.material-icons{display:none}