.#{$prefix}column-header-checkbox {

    // Space between header text and its checkbox
    .#{$prefix}column-header-text {
        margin-bottom: 0.4em;
    }
    // No space if there's no text
    .#{$prefix}column-header-inner-empty {
        .#{$prefix}column-header-text {
            margin-bottom: 0;
        }
    }
}

.#{$prefix}grid-checkcolumn-cell-inner {
    line-height: 0;

    :focus {
        .#{$prefix}keyboard-mode & {
            outline: $grid-row-cell-focus-border-width $grid-row-cell-focus-border-style $grid-row-cell-focus-border-color;
        }
    }
}