    /**
     * @class Ext.grid.column.Action
     */

    /**
     * @var {number}
     * The height of action column icons
     */
    $grid-actioncolumn-icon-height: 16px !default;

    /**
     * @var {number}
     * The width of action column icons
     */
    $grid-actioncolumn-icon-width: 16px !default;

    /**
     * @var {string}
     * The type of cursor to display when the cursor is over an action column icon
     */
    $grid-actioncolumn-icon-cursor: pointer !default;

    /**
     * @var {number}
     * The opacity of disabled action column icons
     */
    $grid-actioncolumn-icon-opacity-disabled: .3 !default;

    /**
     * @var {number}
     * The amount of padding to add to the left and right of the action column cell
     */
    $grid-actioncolumn-horizontal-padding: 2px !default;

    //private
    $grid-actioncolumn-cell-padding:
        max(ceil(($grid-row-height - $grid-actioncolumn-icon-height) / 2), 0)
        $grid-actioncolumn-horizontal-padding
        max(floor(($grid-row-height - $grid-actioncolumn-icon-height) / 2), 0)
        $grid-actioncolumn-horizontal-padding