.bootstrap-touchspin .input-group-btn-vertical {
    position: absolute;
    right: 0;
    height: 100%;
    z-index: 11;
}

    .bootstrap-touchspin .input-group-btn-vertical > .btn {
        position: absolute;
        right: 0;
        height: 50%;
        padding: 0;
        width: 2em;
        text-align: center;
        line-height: 1;
    }

    .bootstrap-touchspin .input-group-btn-vertical .bootstrap-touchspin-up {
        border-radius: 0 4px 0 0;
        top: 0;
    }

    .bootstrap-touchspin .input-group-btn-vertical .bootstrap-touchspin-down {
        border-radius: 0 0 4px 0;
        bottom: 0;
    }