Please see CMSDataGrid for information about the control that this web part is based on.

The design of the grid can be customized using skins. Here's an example:
 

<cc1:CMSDataGrid Runat="server">
  <HeaderStyle Font-Bold="True" ForeColor="White" BackColor="orange"></HeaderStyle>
  <FooterStyle ForeColor="Black" BackColor="#CCCCCC"></FooterStyle>
     <ItemStyle ForeColor="Black" BackColor="#EEEEEE"></ItemStyle>
     <AlternatingItemStyle BackColor="#DCDCDC"></AlternatingItemStyle>
     <PagerStyle HorizontalAlign="Center" ForeColor="Black" BackColor="#999999" Mode="NumericPages"/>
</cc1:CMSDataGrid>