SMART datagrid v.1 > Classes > GridStyles
Fill object which is used when draw such as cell background of deleted row. 
It can be specified in different ways as the example below.
    // solid fill
    column.styles().setInactiveBackground('#3300ff00');
    // solid fill
    column.styles().setInactiveBackground('#00ff00');
    // rgba
    column.styles().setInactiveBackground('rgba(255, 254, 253, 0.5)');
    // linear gradient
    column.styles().setInactiveBackground('linear,#ffffff,#f0f0f0,90');
    // or
    column.setStyles({
        inactiveBackground: '#ff0000',
        inactiveColor: '#00ff00'
    });