While the number/date formatting requires some javascript code, most of the visual attributes could be specified completely in CSS using specific template class selectors and/or object IDs.
#myGrid { width: 400px}
#myGrid .aw-grid-row {height: 20px; border-bottom: 1px solid #ccc}
#myGrid .aw-alternate-even {background: #fff;}
#myGrid .aw-mouseover-row {background: #ccc;}
#myGrid .aw-rows-selected {background: #316ac5;}
#myGrid .aw-column-0 {width: 50px; border-right: 1px dotted #ccc;}