.col-move-top,
.col-move-bottom {
    width: $grid-col-move-icon-size;
    height: $grid-col-move-icon-size;
}

.col-move-top {
    background-image: theme-background-image('grid/col-move-top');
}

.col-move-bottom {
    background-image: theme-background-image('grid/col-move-bottom');
}