.filter-box { position: absolute; z-index: 1000; width: 100%; top: -1px; left: 0; }
const columnDefinitions = [ { id: 'column1', name: 'Column 1', field: 'column1', sortable: true, filterable: true, width: 100 }, { id: 'column2', name: 'Column 2', field: 'column2', sortable: true, filterable: true, width: 100 }, { id: 'column3', name: 'Column 3', field: 'column3', sortable: true, filterable: true, width: 100 } ];
.container { width: 1000px; }